UO

abbreviation for

1. Urban Operations: refers to combat, warfare, and military operations in urban areas. Compare MOUT ( def ).

Word History and Origins

Origin of UO¹

First recorded in 1995–2000

Example Sentences

For the most part, explosive volcanic eruptions are either primarily driven by rising magma, vaporized groundwater, or some combination of the two, according to Josh Crozier, who did this research as a doctoral student at the UO.

From Science Daily

"A cool thing about these eruptions is that there were a bunch of them in sequence that were remarkably similar; that's relatively unusual," said Leif Karlstrom, a volcanologist at the UO.

From Science Daily

"This link is very rare," said Joe Dufek, a volcanologist at the UO.

From Science Daily

Despite looking similar to jellyfish, salps are barrel-shaped, watery macroplankton that are more closely related to vertebrates like fish and humans, said Alejandro Damian-Serrano, an adjunct professor in biology at the UO.

From Science Daily

Observing that migration with special cameras helped UO researchers and their colleagues capture the macroplankton's graceful, coordinated swimming behavior.

From Science Daily