Meanings

double bond

carbon disulfide

binomial coefficient

equation with two unknowns

posture in which the legs are firmly planted (in sumo and judo)

two-part work

two-term system

liking both alcohol and sweets

fraternal twins

double taxation

two periods

diode

biennial plant

dual pricing system

double printing

first lieutenant (JGSDF)

the second time

semiannual crop

right in half

portion for two people