複

Astronomy

multiple star

place bet (in horse racing, etc.); show bet; bet that predicts a top 2 or top 3 finish (depending on number of horses, etc. in race)

double decomposition; metathesis

Abbreviation; Mathematics

complex

double standard

multifaceted

(musical) canon

duopoly

double salt

double-crosspiece cross (symbol for tuberculosis prevention)

compound drug

compound proportion

Finance

compound interest method

Physics

compound nucleus

polygamy

bimodal

restoration of power (e.g. after power failure)

Computing

combined station

Computing

compound statement

Computing

composite algorithm

Linguistics

diphthong

Mathematics

double sign; plus-minus sign; plus or minus sign

reproduction right; right of reproduction; right to make copies

Chemistry

heterocycle