U

U

U¹ [yo͞o]

adj.

Informal

of the upper or wealthy class, esp. the British upper class, as characterized by supposedly definitive usages, accent, behavior, tastes, etc.

U²

abbrev.

1. uncle

2. Union

3. United

4. University

5. uracil

U³

U

[U(nion of Orthodox Hebrew Congregations)] trademark for

symbol

KOSHER (adj. 1): often enclosed in a circle (Ⓤ)

U⁴

Chem.

symbol

uranium