(psychology) The age category such as "child", "young adult", "old person", etc. that is part of a person's self-identity.

(archaeology, paleontology, geology, geochronology) The age of a material as determined by radiometric dating.

plural of radiometric age

Third-person singular simple present indicative form of age out

present participle of age out

present participle of age out

(historical) A period that lasted from the mid-16th (or mid-15th) to the mid-19th centuries, in which the dominance of sailing ships in global trade and warfare culminated.

Alternative letter-case form of space age

A modern spiritual and religious movement. / (music) Ellipsis of New Age music..

Alternative form of age of reason