(geology) Alternative form of KT (“Cretaceous–Tertiary”)

plural of T-variety

algebraic geometry An algebraic variety equipped a group action of an algebraic torus.

(aviation) Initialism of top of descent.

simple past tense and past participle of t-bone

present participle of t-bone

(engineering) Initialism of Geometric Dimensioning and Tolerancing.

Abbreviation of Yukon Territory.

A large beef steak, containing a T-shaped bone.

(astronomy) Any of a class of young visible stars having optical variability; they are often surrounded by a protoplanetary disc.