23-letter words containing o, a, r, f, i, s
- to play for high stakes — to gamble on something very important
- tongass national forest — a temperate rainforest in SE Alaska that also harbors more than two dozen communities, including Juneau: largest US national forest. 17 million acres (69,000 km).
- transcendental function — a function that is not an algebraic function.
- unipress software, inc. — (company) A developer and distributor of Unix software. They produce PC-UNIX connectivity software, development tools and applications and provide technical support and maintenance, porting services, training and consulting.
- united states air force — the permanent or regular military air force of the United States, established in 1947 as a separate service under the authority of the Department of Defense: a branch of the U.S. Army before 1947. Abbreviation: USAF.
- united states of brazil — former official name of Brazil.
- university of minnesota — (body, education) The home of Gopher. Address: Minneapolis, Minnesota, USA.
- urea-formaldehyde resin — any of a group of resins formed by the interaction of urea and formaldehyde under conditions that include heat and pH control: used chiefly in the manufacture of buttons, baking enamels, and for making fabrics wrinkle-resistant.