25-letter words containing a, l, t, m
- undisputed world champion — a boxer who holds the World Boxing Association, the World Boxing Council, the World Boxing Organization, and the International Boxing Federation world championship titles simultaneously
- unemployment compensation — an allowance of money paid, usually weekly, to an unemployed worker by a state or federal agency or by the worker's labor union or former employer during all or part of the period of unemployment.
- vienna development method — (programming, specification) (VDM) A program development method based on formal specification using the Vienna Development Method Specification Language (VDM-SL).
- white sands missile range — a U.S. Army military testing ground for rockets and guided missiles in SW New Mexico, W of Alamogordo.
- yakut autonomous republic — an autonomous republic in the NE Russian Federation in Asia. 1,198,146 sq. mi. (3,103,200 sq. km). Capital: Yakutsk.