Bi Definition
bī
bis
noun
A bisexual person.
American Heritage
(colloquial) A bisexual.
I'm hetero, but my oldest sister is bi.
Wiktionary
Synonyms:
- atomic number 83
- bismuth
prefix
Two.
Biform.
American Heritage
Both.
Binaural.
American Heritage
Both sides, parts, or directions.
Biconcave.
American Heritage
Occurring at intervals of two.
Bicentennial.
American Heritage
Occurring twice during.
Biweekly.
American Heritage
symbol
Bismuth.
Webster's New World
affix
Having two.
Biangular, bicapsular.
Webster's New World
Doubly, on both sides, in two ways or directions.
Biconvex, bilingual.
Webster's New World
Coming, happening, or issued every two (specified periods)
Biennial, biweekly.
Webster's New World
Coming, happening, or issued twice during every (specified period)
Bimonthly, biyearly.
Webster's New World
Using two or both.
Bilabial, bimanual.
Webster's New World
Origin of Bi
-
Latin bis, bi- twice, bīnī two by two dwo- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
-
L bi- < OL dui- < IE *dwi- < base *dwo-, two
From Webster's New World College Dictionary, 5th Edition
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Mandarin 璧 (bì)
From Wiktionary
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From bisexual
From Wiktionary