(in combinations) The state or quality of having a particular type of bottom.

(Britain) tracksuit bottoms, (US) sweatpants

(Britain) A type of soft, lightweight trousers used for sports or informal occasions, (US) sweatpants.

plural of anti-bottom quark

having a deep pitch

(brewing) A slow alcoholic fermentation process carried out at low temperatures during which the yeast sinks to the bottom of the liquid. Used in brewing lager-type beers.

the state or quality of being bottomless.

(simile) extremely soft (not rough)

plural of bottomgate

(physics) A gate in contact with the bottom of a semiconductor