plural of AST

someone associated with something

Initialism of Alaskan Standard Time. / Initialism of Atlantic Standard Time.

(aviation) Initialism of advanced supersonic transport. / (computing) Initialism of abstract syntax tree. / (medicine) Initialism of aspartate transaminase.

A surname.

Pronunciation spelling of asked, simple past tense and past participle of ask

(botany) Absence of steles.