Base

Base or BASE may refer to:

• Base meaning bottom, the lowest part of an object

• Base can mean negative, unfavorable or undesirable in nature. Bad; vile; malicious; evil.

In mathematics:

• Base (mathematics), the number b in an expression of the form bⁿ, hence also the number of digits (known also as the radix) in a positional numeral system, for example, base 10
• Base (topology), a topological space
• Base (group theory)
• One of the sides of a trapezoid or triangle

In the sciences:

• Base (chemistry), a substance that can accept hydrogen ions (protons)
• Base pair, a pair of connected nucleotides on complementary DNA and RNA strands
• Nucleobase, in genetics, the parts of DNA and RNA involved in forming base pairs

In other fields:

• Base (politics), a group of voters who almost always support a single party's candidates
• Base (baseball), the 3 canvas bags and home plate
• Military base, or non-military base, which provides shelter, military equipment and personnel
• Cooking base, a concentrated flavouring compound
• Bipolar junction transistor, Base Switch that controls current in a transistor
• Beta-alumina solid electrolyte, a fast ion conductor material used as a membrane in several types of molten salt electrochemical cells
• Foundation (cosmetics), a cosmetic applied to the face

Base may also refer to:

• Bedini Audio Spectral Enhancer, an audio signal processor used in the early 1990s
• Bible Archaeology Search and Exploration Institute
• BASE (search engine), Bielefeld Academic Search Engine
• Base (electronic goods manufacturer), a manufacturer of consumer electronics.
• Basel Agency for Sustainable Energy, an organization under the United Nations Environment Programme
• BASE jumping
• BASE (mobile), a Belgium mobile telecommunications operator
• Google Base, an online database provided by Google
• OpenOffice.org Base, OpenOffice.org's database module, also known as ooBase
• Budapest Aircraft Services, an airline based in Budapest, Hungary
• Rob Base, American rapper
• One of three connections on a transistor
• The binder which holds paint or other materials together
• The bottom of a building or other structure, often a foundation
• A part of some types of column, below the shaft
• A pedestal, supporting a statue or other item
• A lifter in a cheerleading stunt
• A slang term for the drug amphetamine
• part of the Marxist theory of Base and superstructure
• A series of baseball-derived euphemisms for sexual activity
• A HTML tag