Old enough to be considered an adult (in law, or by society generally). / (formal, idiomatic, law, usually literary) Having existed for a certain period of time; used in referring to a person's age.

plural of ageful

Aged, elderly, old. / (rare) Eternal, everlasting.

(rare) An eternity, a perpetuity.

Abbreviation of percentage.

(biochemistry) Initialism of advanced glycation end-product. / (biochemistry) Initialism of agarose gel electrophoresis. / (organic chemistry) Initialism of allyl glycidyl ether.

(construction) Clipping of aggregate (small rocks mixed into concrete).

(stenoscript) Abbreviation of again.

(chiefly in compounds) Clipping of agriculture or agricultural.

Alternative letter-case form of AG (“aggressive (butch)”)