(US, education) Initialism of American Council on Education. / (astronautics) Initialism of Advanced Composition Explorer, a NASA spacecraft. / Initialism of American Cinema Editors.

(film) A member of American Cinema Editors / (biochemistry, medicine) Initialism of angiotensin converting enzyme. / (military, NATO) Initialism of air combat element.

plural of ace

Third-person singular simple present indicative form of ace

(informal) Alternative form of ace (“excellent”)

(informal) Ace; excellent.

simple past tense and past participle of ace

(in place names) oak.

One affected with. / Of, belonging to.

plural of Ace