Definition of Bis-

1. Prefix. An occasional variant of bi- prefixed to roots beginning with a vowel, as in ''bisalternate'' ¹



2. Prefix. (chemistry) (obsolete) A variant of tri- used to indicate that the component that does ''not'' take the prefix occurs twice in the compound: a ''disoxide'' is of the form B2O ¹

3. Prefix. (mathematics chemistry) A variant of bi-, used for substitutions of two complex rather than simple units. ¹

¹ Source: wiktionary.com

Medical Definition of Bis-

1. 1. Prefix signifying two or twice. 2. In chemistry, used to denote, the presence of two identical but separated complex groups in one molecule. Compare: bi-, di-. Origin: L. (05 Mar 2000)

Bis- Pictures

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Lexicographical Neighbors of Bis-

birthstone
birthstones
birthtime
birthtimes
birthweight
birthweights
birthwort
birthwort family
birthworts
biryani
biryanis
bis
bis(2-ethylhexyl)phthalate esterase
bis(chloromethyl) ether
bis(monoacylglycero)phosphate synthetase
bis- (current term)
bis-gamma-glutamylcystine reductase
bis in die
bis key
bisa antelope
bisabolene
bisaccate
bisacodyl
bisacromial
bisacrylamide
bisadduct
bisadducts
bisagre
bisalbuminaemia
bisalkene

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