(geography) A county of Estonia.

A small city, the county seat of Boise County, Idaho, United States, which had a much larger population in the 19th century.

(UK, law enforcement) A process by which a witness confirms the identity of a criminal suspect, by viewing the suspect together with other people who were not involved in the crime.

plural of dissociative identity disorder

(now offensive) an archaic term for the condition now known as Down syndrome.

(programming, Python) Initialism of Integrated DeveLopment Environment. / (programming, Python) Initialism of Integrated Development and Learning Environment.

Alternative form of idle hands are the devil's workshop

(sociology) Of, or relating to an ideal type.

(mathematics) Given a binary operation × defined on a set S which also has additive operation + and additive identity 0, the property that a × (b×c) + b × (c×a) + c × (a×b) = 0 for all a, b, c in S.

(topology) a quotient map