(narratology) Unresolved sexual tension. / (combinatorics) Uniform spanning tree.

(Philippines) Initialism of University of Santo Tomas.

Pronunciation spelling of used (accustomed)

One of Russia's major ports, near Saint Petersburg.

(historical) Former name of Abakan. (1823–1931)

(historical) an autonomous okrug of the Soviet Union within Irkutsk Oblast; now part of Ust-Orda Buryat Okrug

An act of burning, especially roasting. / (medicine) A burning sensation.

(informal) used to: accustomed to / (informal) used to: formerly did / (informal) use to

plural of ustulation

(palaeography) The earliest style of Cyrillic writing developed from Greek uncial in the late 9th century, predominant in the 11th–14th centuries.