(informal) The very early morning, just after midnight, when most people are asleep.

(politics) A person who holds liberal views but may or may not be a member of their country's "Liberal Party".

(pharmacology) A medicinal drug compound having a molecular weight of less than 1000 daltons, and typically between 300 and 700 daltons.

(colloquial) A supposed condition affecting short men that makes them excessively competitive as a way of compensating for their lack of stature.

(anatomy) a relatively large vein of the superficial posterior leg.

plural of small molecule drug

(astronomy) A particular dwarf irregular galaxy, a satellite of Milky Way.

(typography) Formatting of text that leaves uppercase letters as they are but converts lowercase letters to small caps.

A tinamou, Crypturellus parvirostris.

plural of small-l liberal