Ordinal indicator

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Both º and ª redirect here. º is not to be confused with the degree symbol (°) or ring (diacritic) (˚)

In written languages, an ordinal indicator is a character, or group of characters, following a numeral denoting that it is an ordinal number, rather than a cardinal number.

In English orthography, this corresponds to the suffixes -st, -nd, -rd, -th in written ordinals (represented either on the line 1st, 2nd, 3rd, 4th or as superscript, 1st, 2nd, 3rd, 4th).

Also commonly encountered are the superscript (and often underlined) ordinal indicaters a and o, originally from Romance, but via the cultural influence of Italian by the 18th century widely used in the wider cultural sphere of Western Europe, as in primo and prima "first, chief; prime quality".

The practice of underlined (or doubly underlined) superscripted abbreviations was common in 19th-century writing (not limited to ordinal indicators in particular, and also extant in the Numero sign №), and was also found in handwritten English until at least the late 19th century (e.g. "first" abbreviated 1st or 1st).[1]

Superscript o and a[edit]

◌º
Ordinal indicator
(masculine)
◌ª
Ordinal indicator
(feminine)
Punctuation
apostrophe   '
brackets [ ]  ( )  { }  ⟨ ⟩
colon :
comma ,  ،  
dash   –  —  ―
ellipsis   ...  . . .
exclamation mark  !
full stop, period .
hyphen
hyphen-minus -
question mark  ?
quotation marks ‘ ’  “ ”  ' '  " "
semicolon ;
slash, stroke, solidus /  
Word dividers
interpunct ·
space     
General typography
ampersand &
asterisk *
at sign @
backslash \
bullet
caret ^
dagger † ‡
degree °
ditto mark
inverted exclamation mark ¡
inverted question mark ¿
number sign, pound, hash, octothorpe #
numero sign
obelus ÷
ordinal indicator º ª
percent, per mil  % ‰
plus and minus + −
basis point
pilcrow
prime     
section sign §
tilde ~
underscore, understrike _
vertical bar, pipe, broken bar |    ¦
Intellectual property
copyright ©
sound-recording copyright
registered trademark ®
service mark
trademark
Currency
generic currency symbol ¤

฿¢$ƒ£ ¥

Uncommon typography
asterism
hedera
index, fist
interrobang
irony punctuation
lozenge
reference mark
tie
Related
In other scripts

In Italian, Spanish and Portuguese, the suffixes o and a are appended to the numeral depending on whether the grammatical gender is masculine or feminine respectively. As with English and French orthographical tradition, the suffixes are traditionally superscripted. In addition, they are often underlined too, as in primo, prima.

Origins[edit]

The practice of indicating ordinals with superscript suffixes may originate with the practice of writing a superscript o to indicate a Latin ablative in pre-modern scribal practice. This ablative desinence happened to be frequently combined with ordinal numerals indicating dates (as in tertio die (written iiio die) "on the third day" or in years of the Dionysian era, as in anno millensimo [...] ab incarnatione domini nostri Iesu Christi (written an ͂ Xo [...] dm ͂i nri ih ͂u xp ͂i or similarly) "in the thousandth [...] year after the incarnation of our lord Jesus Christ").

The usage of terminals in the vernacular languages of Europe derives from Latin usage, as practiced by scribes in monasteries and chancelries before writing in the vernacular became established. The terminal letters used depend on the gender of the item to be ordered and the case in which the ordinal adjective is stated, for example primus dies ("the first day", nominative case, masculine), but primo die ("on the first day", ablative case masculine), shown as Io or io. As monumental inscriptions often refer to days on which events happened, e.g. "he died on the tenth of June", the ablative case is generally used: Xo (decimo) with the month stated in the genitive case. Examples:[2]

  • Io ((primo) die Julii, "on the first day of July")
  • Xo decimo
  • XXo vicensimo
  • Lo quinquagensimo
  • Co centensimo
  • Mo millensimo

Usage[edit]

In Galician, Italian, Portuguese and Spanish, the suffixes o and a are appended to the numeral depending on whether the grammatical gender is masculine or feminine respectively. As with French, these signs are preferably superscripted but, in contrast, they are often underlined as well. For example in Italian: primo 1o and prima 1a, secondo 2o and seconda 2a, terzo 3o and terza 3a…, and also the abbreviation no for numero. Some character sets provide characters specifically for use as ordinal indicators in these languages: º and ª (in Unicode U+00BA and U+00AA[3]). The masculine ordinal indicator U+00BA (º) is often confused with the degree sign U+00B0 (°), which looks very similar in many fonts and is available on Italian and Spanish keyboard layouts. The degree sign is a uniform circle and is never underlined, while the letter o may be oval or elliptical and have a varying line thickness. The letter o may also be underlined.

In Spanish, using the two final letters of the word as it is spelled is not allowed,[4] except in the cases of primer (an apocope of primero) before singular masculine nouns, which is not abbreviated as 1.o but as 1.er, of tercer (an apocope of tercero) before singular masculine nouns, which is not abbreviated as 3.o but as 3.er, and of compound ordinal numbers ending in "primer" or "tercer". For instance, "twenty-first" is vigésimo primer before a masculine noun, and its abbreviation is 21.er. Since none of these words should be shortened before feminine nouns, their correct forms for those cases are primera and tercera. These can be represented as 1.a and 3.a. As with other abbreviations in Spanish, the ordinal numbers have a period ".", which is placed before the superscript letter(s).

Encoding[edit]

The Romance feminine and masculine ordinal indicators were adopted into the 8-bit ISO 8859-1 encoding in 1985 (based on DEC's Multinational Character Set designed for VT220), at positions 170 (xAA) and 186 (xBA), respectively. ISO 8859-1 was incorporated as the first 256 code points of ISO/IEC 10646 and Unicode in 1991. The Unicode characters are thus:

  • U+00AA ª feminine ordinal indicator (HTML ª · ª)
  • U+00BA º masculine ordinal indicator (HTML º · º)

The named html entities ª and º were introduced in HTML 3.2 (1996).

Similar conventions[edit]

Some languages use superior letters as a typographic convention for abbreviations that aren't related to ordinal numbers – the letters o and a may be among those used, but they do not indicate ordinals:

Spanish uses the indicator letters in some abbreviations, such as V.º B.º for visto bueno ("approved"); n.º for número, number; and M.ª for María, a Spanish name frequently used in compounds like José M.ª.
In Portuguese, the underlined "º" and "ª" are used with many abbreviations, and should be preceded by a period. In fact, there is no limit for which words may be abbreviated this way. Sometimes, other letters are also written before the "º" or "ª". For example: Ex.mo for Excelentíssimo (an honorific), L.da for Limitada (Ltd.), Sr.a for Senhora (Ms.), etc.
English has borrowed the "No." abbreviation from the Romance languages word numero (according to the OED[1], the term is from the Latin numero, which is the ablative form of the word numerus ("number"). Similar forms exist as the word for "number" is derived in other Romance languages: numero in Italian, numéro in French, and número in Spanish and Portuguese), applying it as an abbreviation for the English word "number". This is sometimes written as "Nº", with the superscript o optionally underlined; see numero sign.

Use of the ordinal-indicating Unicode characters for these kinds of abbreviations is a matter of preference, but can be misleading; the "º" in "Nº", for example, is not intended to indicate ordinality at all.

Other suffixes[edit]

English[edit]

Further information: English ordinal numbers
  • -st is used with numbers ending in 1 (e.g. 1st, pronounced first)
  • -nd is used with numbers ending in 2 (e.g. 92nd, pronounced ninety-second)
  • -rd is used with numbers ending in 3 (e.g. 33rd, pronounced thirty-third)
  • As an exception to the above rules, all the "teen" numbers ending with 11, 12 or 13 use -th (e.g. 11th, pronounced eleventh, 112th, pronounced one hundred [and] twelfth)
  • -th is used for all other numbers (e.g. 9th, pronounced ninth).

In 19th-century handwriting, these terminals were often elevated, that is to say written as superscripts (e.g. 2nd, 34th). With the gradual introduction of the typewriter in the late 19th century, it became common to write them on the line in typewritten texts,[5] and this usage even became recommended in certain 20th-century style guides. Thus, the 16th edition of The Chicago Manual of Style states: "The letters in ordinal numbers should not appear as superscripts (e.g., 122nd not 122nd)", as do the Bluebook[6] and style guides by the Council of Science Editors,[7] Microsoft,[8] and Yahoo![9] Two problems are that superscripts are used "most often in citations" and are "tiny and hard to read".[6] Some word processors format ordinal indicators as superscripts by default (e.g. Microsoft Word[10]). Style guide author Jack Lynch (Rutgers) recommends turning off automatic superscripting of ordinals in Microsoft Word, because "no professionally printed books use superscripts".[11]

French[edit]

French uses the ordinal indicators er (1er – premier), re in feminine (1re – première), e (2e – deuxième). French also uses the indicator d for the variant 2d – second ; in feminine this indicator becomes de : 2de – seconde. In plural, all these indicators take a S : ers (1ers – premiers), res (1res – premières), es (2es – deuxièmes), ds (2ds – seconds), des (2des – secondes). These indicators use superscript formatting whenever it is available.

Other languages[edit]

Catalan

The rule in Catalan is to follow the number with the last letter in the singular and the last two letters in the plural.[12] Most numbers follow the pattern exemplified by vint "20" (20è m sg, 20a f sg, 20ns m pl, 20es f pl), but the first few ordinals are irregular, affecting the abbreviations of the masculine forms. Superscripting is not standard.

Dutch

Unlike other Germanic languages, Dutch is similar to English in this respect: the French layout with e used to be popular, but the recent spelling changes now prescribe the suffix ‑e. Optionally ‑ste and ‑de may be used, but this is more complex: 1ste (eerste), 2de (tweede), 4de (vierde), 20ste (twintigste)…[13]

Finnish

In Finnish orthography, when the numeral is followed by its head noun (which indicates the grammatical case of the ordinal), it is sufficient to write a period or full stop after the numeral: Päädyin kilpailussa 2. sijalle "In the competition, I finished in 2nd place". However, if the head noun is omitted, the ordinal indicator takes the form of a morphological suffix, which is attached to the numeral with a colon. In the nominative case, the suffix is ‑nen for 1 and 2, and ‑s for larger numerals: Minä olin 2:nen, ja veljeni oli 3:s "I came 2nd, and my brother came 3rd". This is derived from the endings of the spelled-out ordinal numbers: ensimmäinen, toinen, kolmas, neljäs, viides, kuudes, seitsemäs

The system becomes rather complicated when the ordinal needs to be inflected, as the ordinal suffix is adjusted according to the case ending: 3:s (nominative case, which has no ending), 3:nnen (genitive case with ending ‑n), 3:tta (partitive case with ending ‑ta), 3:nnessa (inessive case with ending ‑ssa), 3:nteen (illative case with ending ‑en), etc. Even native speakers sometimes find it difficult to exactly identify the ordinal suffix, as its borders with the word stem and the case ending may appear blurred. In such cases it may be preferable to write the ordinal word entirely with letters and particularly 2:nen is rare even in the nominative case, as it is not significantly shorter than the full word toinen.

Irish

Numerals from 3 up form their ordinals uniformly by adding the suffix : 3ú, 4ú, 5ú, etc. When the ordinal is written out, the suffix adheres to the spelling restrictions imposed by the broad/slender difference in consonants and is written -iú after slender consonants; but when written as numbers, only the suffix itself () is written. In the case of 4 (ceathair), the final syllable is syncopated before the suffix, and in the case of 9 (naoi), 20 (fiche), and 1000 (míle), the final vowel is assimilated into the suffix.

Most multiples of ten end in a vowel in their cardinal form and form their ordinal form by adding the suffix to their genitive singular form, which ends in -d; this is not reflected in writing. Exceptions are 20 (fiche) and 40 (daichead), both of whom form their ordinals by adding the suffix directly to the cardinal (fichiú and daicheadú).

When counting objects (2) becomes dhá and ceathair (4) becomes ceithre.

As in French, the vigesimal system is widely used, particularly in people's ages. Ceithre scór agus cúigdéag – 95.

The numbers 1 (aon) and 2 () both have two separate ordinals: one regularly formed by adding -ú (aonú, dóú), and one suppletive form (céad, dara). The regular forms are restricted in their usage to actual numeric contexts, when counting. The latter are also used in counting, especially céad, but are used in broader, more abstract senses of 'first' and 'second' (or 'other'). In their broader senses, céad and dara are not written as and , though and may in a numeric context be read aloud as céad and dara (e.g., an 21ú lá may be read as an t-aonú lá is fiche or as an chéad lá is fiche).

Cardinal Ordinal
1 a aon aonú (1ú) or céad
2 a dó dóú (2ú) or dara
3 a trí tríú (3ú)
4 a ceathair ceathrú (4ú)
5 a cúig cúigiú (5ú)
6 a sé séú (6ú)
7 a seacht seachtú (7ú)
8 a hocht ochtú (8ú)
9 a naoi naoú (9ú)
10 a deich deichiú (10ú)
20 fiche or scór fichiú (20ú)
30 triocha triochadú (30ú)
40 daichead, ceathracha or dhá scór daicheadú or ceathrachadú (40ú)
50 caoga caogadú (50ú)
60 seasca or trí scór seascadú (60ú)
70 seachtó seachtódú (70ú)
80 ochtó or ceithre scór ochtódú (80ú)
90 nócha nóchadú (90ú)
100 céad céadú (100ú)
1000 míle míliú (1000ú)
Russian
Further information: Russian numerals

One or two letters of the spelled-out numeral are appended to it (either after a hyphen or, rarely, in superscript). The rule is to take the minimal number of letters that include at least one consonant phoneme. Examples: 2-му второму /ftɐromu/, 2-я вторая /ftɐraja/, 2-й второй /ftɐroj/ (note that in the second example the vowel letter я represents two phonemes, one of which (/j/) is consonant).

Swedish
Further information: Swedish numerals

The general rule is that :a (for 1 and 2) or :e (for all other numbers, except 101:a, 42:a, et cetera) is appended to the numeral. The reason is that -a and -e respectively end the ordinal number words. The ordinals for 1 and 2 may however be given an -e form (förste and andre instead of första and andra) when used about a male person (masculine natural gender), and if so they are written 1:e and 2:e. When indicating dates, suffixes are never used. Examples: 1:a klass (first (i.e. business) class), 3:e utgåvan (third edition), but 6 november. Furthermore, suffixes can be left out if the number obviously is an ordinal number, example: 3 utg. (3rd ed). Using a full stop as an ordinal indicator is considered archaic, but still occurs in military contexts. Example: 5. komp (5th company).

Representation as period[edit]

In Basque, Bosnian / Croatian / Serbian, Czech, Danish, Estonian, Faroese, German, Hungarian, Icelandic, Latvian, Norwegian, Polish, Slovak, Slovene, Turkish, among other languages, a period or full stop is written after the numeral.

The same usage, apparently borrowed from German,[14] is now a standard in Polish, where it replaced the superscript of the last phoneme (following complex declension and gender patterns, e.g. 1szy, 7ma, 24te, 100ny).

Representation as prefix[edit]

Numbers in Malay are preceded by the ordinal prefix ke-; for example, ke-7, 'seventh'. The exception is pertama which means 'first'.

Numbers in Philippine are preceded by the ordinal prefix ika- or pang- (the latter subject to saṃdhi; for example, ika-7 or pam-7, 'seventh'. The exception is una, which means 'first'.

See also[edit]

References[edit]

  1. ^ see Max Harold Fisch, Christian J. W. Kloesel, "Essay on the Editorial Method", in Writings of Charles S. Peirce: 1879-1884, vol. 4 (1989), p. 629: "Peirce also regularly used the nineteenth-century calligraphic convention of double underlining superscript portions of abbreviations such as Mr or 1st."
  2. ^ Kennedy's Shorter Latin Primer, 1992, London, pp.28-9
  3. ^ "Latin-1 Punctuation codes", Unicode (PDF) .
  4. ^ Ordinales, Royal Spanish Academy .
  5. ^ e.g. Max Harold Fisch, Christian J. W. Kloesel, "Essay on the Editorial Method", in Writings of Charles S. Peirce: 1879-1884, vol. 4 (1989), p. 629: "In all MSS in this period, Peirce inscribed "st," "nd," "rd," and "th" in the superscript position: for convenience's sake, they are on the line in typewritten pieces. In published pieces the ordinals are superscripted to conform to Peirce's style; "2d" and "3d" are emended to "2nd" and "3rd". When Peirce typed abbreviated ordinals on the line, these mechanical exceptions attributable to his typewriter have been changed to superscript ordinals."
  6. ^ a b Butterick, Matthew (October 4, 2012). "Typography for Lawyers - Ordinals". Retrieved 2012-10-04. Bluebook rule 6.2(b)(i) (19th ed. 2010) 
  7. ^ McMillan, Victoria E. (2011). Writing Papers in the Biological Sciences. Bedford / St. Martin's. p. 79. ISBN 9780312649715. Retrieved 2012-10-04. 
  8. ^ Microsoft® Manual of Style (4th ed.). Microsoft Press. 2012. p. 316. Retrieved 2012-10-04. 
  9. ^ Barr, Chris; Yahoo! (2010). The Yahoo! Style Guide. Macmillan. p. 359. ISBN 9780312569846. Retrieved 2012-10-04. 
  10. ^ "Automatic formatting results", Word Help, Office, Microsoft .
  11. ^ Lynch, Jack (April 30, 2007). The English Language: A User's Guide. Focus Publishing/R. Pullins Company. pp. 131, 213. ISBN 9781585101856. 
    Lynch, Jack (January 28, 2011). "Guide to Grammar and Style — M". Rutgers University. Retrieved 2012-10-04. [...] ordinal numbers [...] no professionally printed books use superscripts [...] 
  12. ^ "5. La grafia de les abreviacions", Gramàtica de la llengua catalana (PDF), IEC, p. 391 .
  13. ^ http://taaladvies.net/taal/advies/vraag/2/1_2_3_1e_2e_3e_1ste_2de_3de_1e_2e_3e/
  14. ^ Donald F. Reindl, 2009. "Kranjska je naša spraha: Historical German-Slovenian Language Contact". In: Christel Stolz (ed.), Unsere sprachlichen Nachbarn in Europa • Die Kontaktbeziehungen zwischen Deutsch und seinen Grenznachbarn, pp. 103–114. Bochum, Universitätsverlag, Dr. N. Brockmeyer, p. 110.

External links[edit]