単

Botany

simple leaf; unifoliate leaf

monoplane (aircraft)

Mahjong

waiting for one tile to finish one's pair and one's hand; waiting for half of one's pair with four melds completed

Computing

monadic operator; unary operator

employee posted away from their family

single barrel; single-barrelled

single currency; currency unification

Botany

monocotyledon; monocot

Common noun

layman's terms; simple name; uncomplicated term

Nouns which may take the genitive case particle 'no'

singular

solitary cell; solitary confinement cell; isolation cell

single market (e.g. European single market)

word search

single-person household

Baseball

base hit; one-base hit; single

herpes simplex virus; HSV

Abbreviation; Electricity, elec. eng.

single-phase alternating current

Biology

haploid phase (of an organism, cell, etc.); haplophase

Finance

simple interest

unlined sash

Philosophy

monad

Mathematics

monotonic increase

exclusive interview

Chemistry

single bond

single crop

single yarn (in spinning)

individual action; unilateral act