Not inhabited; having no inhabitants. / (type theory, of a type) Not having a term.

A collection of islands and archipelagos, consisting of various dependent territories of the United States, including: Baker Island, Howland Island, Jarvis Island, Johnston Atoll, Kingman Reef, the Midway Islands, Navassa Island, Palmyra Atoll, and Wake Island.

(linear algebra) An identity matrix

Not informed; ignorant. / (obsolete) Not imbued with life or activity.

Any standardized, reproducible unit that can be used to measure any physical property.

Not intended or deliberate; inadvertent; unwitting

(Britain, labor union) A public-sector trade union in the United Kingdom.

Acronym of United Nations International Children's Emergency Fund.

a bird from the family Rallidae, Amaurolimnas concolor.

A passerine bird of the antbird family, Thamnophilus unicolor,