• bis-

bis- (suomeksi)

Määritelmät:

• An occasional variant of bi- prefixed to roots beginning with a vowel, as in ''bisalternate''
• (lb, en, chemistry, obsolete) A variant of tri- used to indicate that the component that does ''not'' take the prefix occurs twice in the compound: a ''bisoxide'' is of the form B₂O
• (lb, en, mathematics, chemistry) A variant of di-, used for substitutions of two complex rather than simple units.