Aging Definition–noun | 1. | the length of time during which a being or thing has existed; length of life or existence to the time spoken of or referred to: trees of unknown age; His age is 20 years. | | 2. | a period of human life, measured by years from birth, usually marked by a certain stage or degree of mental or physical development and involving legal responsibility and capacity: the age of discretion; the age of consent; The state raised the drinking age from 18 to 21 years. | | 3. | the particular period of life at which a person becomes naturally or conventionally qualified or disqualified for anything: He was over age for military duty. | | 4. | one of the periods or stages of human life: a person of middle age. | | 5. | advanced years; old age: His eyes were dim with age. | | 6. | a particular period of history, as distinguished from others; a historical epoch: the age of Pericles; the Stone Age; the age of electronic communications. | | 7. | the period of history contemporary with the span of an individual's life: He was the most famous architect of the age. | | 8. | a generation or a series of generations: ages yet unborn. | | 9. | a great length of time: I haven't seen you for an age. He's been gone for ages. | | 10. | the average life expectancy of an individual or of the individuals of a class or species: The age of a horse is from 25 to 30 years. | | 11. | Psychology. the level of mental, emotional, or educational development of a person, esp. a child, as determined by various tests and based on a comparison of the individual's score with the average score for persons of the same chronological age. | | 12. | Geology. | a. | a period of the history of the earth distinguished by some special feature: the Ice Age. | | b. | a unit of geological time, shorter than an epoch, during which the rocks comprising a stage were formed. | | | 13. | any of the successive periods in human history divided, according to Hesiod, into the golden, silver, bronze, heroic, and iron ages. | | 14. | Cards. | a. | Poker. the first player at the dealer's left. Compare edge (def. 10a). | | –verb (used without obj
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ect) | 15. | to grow old: He is aging rapidly. | | 16. | to mature, as wine, cheese, or wood: a heavy port that ages slowly. | –verb (used with object) | 17. | to make old; cause to grow or seem old: Fear aged him overnight. | | 18. | to bring to maturity or a state fit for use: to age wine. | | 19. | to store (a permanent magnet, a capacitor, or other similar device) so that its electrical or magnetic characteristics become constant. | —Idiom | 20. | of age, Law. | a. | being any of several ages, usually 21 or 18, at which certain legal rights, as voting or marriage, are acquired. | | b. | being old enough for full legal rights and responsibilities. | | |
