(software engineering) A software testing methodology in which individual tests (unit tests) are developed for each small part of a program.

(software, testing) An individual test in unit testing

To carry out unit testing

A department in a hospital or a rehab used for detoxification of new patients.

(pharmacology) A particular, minute unit of mass, defined differently for different substances, but so that varying substances of the same general type have the property that one international unit of the one has the same effect on the human body as one international unit of the other.

A unit of potency of drugs, used in the United States Pharmacopeia.

(physics) Alternative form of angstrom

(nonstandard) Of or pertaining to the United States of America.

(nonstandard) An inhabitant or citizen of the United States of America.

plural of unit cell