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'''Wa''' ({{lang-th|วา}} {{IPA-th|wāː|}}, also ''waa'' or ''wah'', abbreviated {{lang|th|ว.}}) is a unit of [[length]], equal to two [[metre]]s (2 m) or four [[:th:ศอก (หน่วยความยาวไทย)|sok]] ({{lang|th|ศอก}}.) ''Wa'' as a [[verb]] means to outstretch (one's) arms to both sides, which relates to the [[fathom]]'s distance between the fingertips of a [[Man (word)|man]]'s outstretched arms. The 1833 [[Siamese-American Treaty of Amity and Commerce]], reads, "[The] Siamese fathom...being computed to contain 78 English or American inches, corresponding to 96 [[:th:นิ้ว (หน่วยความยาวไทย)|Siamese inch]]es."<ref>[http://bangkok.usembassy.gov/relation/175usth/timeline-of-u/spotlight-on-treaty-of-amity.html Spotlight on Treaty of Amity]{{DL|date=September 2016}}</ref> The length then would have been equivalent to a modern 1.981 metres.<ref>[http://www.convert-me.com/en/convert/length Convert me]</ref> Since [[Metrication#Chronology and status of conversion by country|conversion to the metric system in 1923]],<ref>{{cite web
'''Wa''' ({{lang-th|วา}} {{IPA-th|wāː|}}, also ''waa'' or ''wah'', abbreviated {{lang|th|ว.}}) is a unit of [[length]], equal to two [[metre]]s (2 m) or four [[:th:ศอก (หน่วยความยาวไทย)|sok]] ({{lang|th|ศอก}}.) ''Wa'' as a [[verb]] means to outstretch (one's) arms to both sides, which relates to the [[fathom]]'s distance between the fingertips of a [[Man (word)|man]]'s outstretched arms. The 1833 [[Siamese-American Treaty of Amity and Commerce]], reads, "[The] Siamese fathom...being computed to contain 78 English or American inches, corresponding to 96 [[:th:นิ้ว (หน่วยความยาวไทย)|Siamese inch]]es."<ref>[http://bangkok.usembassy.gov/relation/175usth/timeline-of-u/spotlight-on-treaty-of-amity.html Spotlight on Treaty of Amity] {{wayback|url=http://bangkok.usembassy.gov/relation/175usth/timeline-of-u/spotlight-on-treaty-of-amity.html |date=20120503124225 }}</ref> The length then would have been equivalent to a modern 1.981 metres.<ref>[http://www.convert-me.com/en/convert/length Convert me]</ref> Since [[Metrication#Chronology and status of conversion by country|conversion to the metric system in 1923]],<ref>{{cite web
|url= http://www.nwmc.go.th/history_eng.html |title= History of weights and measures in Thailand.htm |author= |date= April 2004 |publisher= Northern Weights and Measures Center (Thailand) |accessdate= September 26, 2011|quote=..."Weights and Measures Act, [[Thai_solar_calendar#Buddhist_Era|B.E.]] 2466" [1923 CE]....[superseded by ] "Weights and Measures Act, B.E. 2542"...''Government Gazette'', Royal Decree Version, Volume 116, Part 29 a, dated 21 April 1999...effective since 18 October 1999}}</ref><ref>{{cite web |url= http://nwmc.go.th/his1.html |script-title=th:ประวัติชั่งตวงวัดไทย|author= |date= April 2004 |publisher= Northern Weights and Measures Center (Thailand) |language= Thai|accessdate= September 26, 2011|quote= }}</ref> the length as derived from the [[metre]] is precisely two metres, but the unit is neither part of nor recognized by the modern [[SI|International metric system]] (SI).
|url= http://www.nwmc.go.th/history_eng.html |title= History of weights and measures in Thailand.htm |author= |date= April 2004 |publisher= Northern Weights and Measures Center (Thailand) |accessdate= September 26, 2011|quote=..."Weights and Measures Act, [[Thai_solar_calendar#Buddhist_Era|B.E.]] 2466" [1923 CE]....[superseded by ] "Weights and Measures Act, B.E. 2542"...''Government Gazette'', Royal Decree Version, Volume 116, Part 29 a, dated 21 April 1999...effective since 18 October 1999}}</ref><ref>{{cite web |url= http://nwmc.go.th/his1.html |script-title=th:ประวัติชั่งตวงวัดไทย|author= |date= April 2004 |publisher= Northern Weights and Measures Center (Thailand) |language= Thai|accessdate= September 26, 2011|quote= }}</ref> the length as derived from the [[metre]] is precisely two metres, but the unit is neither part of nor recognized by the modern [[SI|International metric system]] (SI).


Revision as of 07:37, 2 January 2017

Wa (Thai: วา [wāː], also waa or wah, abbreviated ว.) is a unit of length, equal to two metres (2 m) or four sok (ศอก.) Wa as a verb means to outstretch (one's) arms to both sides, which relates to the fathom's distance between the fingertips of a man's outstretched arms. The 1833 Siamese-American Treaty of Amity and Commerce, reads, "[The] Siamese fathom...being computed to contain 78 English or American inches, corresponding to 96 Siamese inches."[1] The length then would have been equivalent to a modern 1.981 metres.[2] Since conversion to the metric system in 1923,[3][4] the length as derived from the metre is precisely two metres, but the unit is neither part of nor recognized by the modern International metric system (SI).

Wa also occurs as a colloquialism for "square wa" (tarang wa) a unit of area abbreviated ตร.ว. or ว๒.)

As with many terms normally written in the Thai alphabet, romanization of Thai causes spelling variants such as waa and wah.

See also

References

  1. ^ Spotlight on Treaty of Amity Template:Wayback
  2. ^ Convert me
  3. ^ "History of weights and measures in Thailand.htm". Northern Weights and Measures Center (Thailand). April 2004. Retrieved September 26, 2011. ..."Weights and Measures Act, B.E. 2466" [1923 CE]....[superseded by ] "Weights and Measures Act, B.E. 2542"...Government Gazette, Royal Decree Version, Volume 116, Part 29 a, dated 21 April 1999...effective since 18 October 1999
  4. ^ ประวัติชั่งตวงวัดไทย (in Thai). Northern Weights and Measures Center (Thailand). April 2004. Retrieved September 26, 2011.
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