age

noun15

1. •
   the amount of time since someone was born or since something began to exist

   • "What is the age of your oldest child?" — "He's ten." (ten years old)
   • What were their ages at the time of their marriage?
2. •
   A particular period of time in history, as distinguished from others.

   • Ours has been called the jet age, the atomic age, the space age. It is also, I submit, the television age. — 1961
3. •
   The time or era in history when someone or something was alive or flourished.
4. •
   A great period in the history of the Earth.

   • The Bronze Age was followed by the Iron Age.
5. •
   The shortest geochronologic unit, being a period of thousands to millions of years; a subdivision of an epoch (or sometimes a subepoch).

   • The Tithonian Age was the last in the Late Jurassic Epoch.
6. •
   One of the twelve divisions of a Great Year, equal to roughly 2000 years and governed by one of the zodiacal signs; a Platonic month.

   • Mr Lewis says we are living in the age of Aquarius, which means that the world is at present passing through the zodiacal sign of Aquarius, the airy constellation. — 1911
7. •
   A long time.

   • It’s been an age since we last saw you.
8. •
   The state of being old; the latter part of life.

   • Wisdom doesn't necessarily come with age, sometimes age just shows up all by itself.
9. •
   Any particular stage of life.
10. •
    The time of life at which some particular power or capacity is understood to become vested.
11. •
    Maturity; especially, the time of life at which one attains full personal rights and capacities.

    • to come of age; she is now of age
12. •
    Lifespan, lifetime; the total time that some being is alive from birth to death (or some category of beings, on average).

    • The age of man is three score years and ten.
    • Thrice the age of a dog is that of a horse.
13. •
    (old-fashioned) A generation.

    • There are three ages living in her house.
14. •
    A period of one hundred years; a century.
15. •
    The entitlement of the player to the left of the dealer to pass the first round in betting, and then to come in last or stay out; also, the player holding this position; the eldest hand.

verb10

1. •
   To grow aged; to become old or older; to show marks of age.

   • He grew fat as he aged.
2. •
   To cause to grow old; to impart the characteristics of age to.

   • Grief ages us.
3. •
   To allow to mature.

   • We age the whiskey for five years.
4. •
   To suffer the passage of time so as to later be viewed or turn out in a certain way.

   • His prediction that we didn't stand a chance hasn't aged well, now that we've won the cup.
   • The sitcom was made in the 1970s and its casual sexism has not aged well.
5. •
   To determine the age of (the length of time that something has been alive or in existence).

   • There are several ways to age trees.
6. •
   To treat or tamper with in order to give a false appearance of age.

   • This clock is modern, but it has been deliberately aged in an attempt to make it seem antique.
7. •
   To indicate or reveal that (a person) has been alive for a certain period of time, especially a long one.

   • I clearly remember hearing the news of Kennedy's assassination. That ages me.
8. •
   To categorize by age.

   • One his first assignments was to age the accounts receivable.
9. •
   (figurative) To allow (something) to persist by postponing an action that would extinguish it, as a debt.

   • Money's a little tight right now. Let's age our bills for a week or so.
10. •
    To act for another (as a law agent or solicitor).

noun4

1. •
   Initialism of advanced glycation end-product.
2. •
   Initialism of agarose gel electrophoresis.
3. •
   Initialism of arterial gas embolism.
4. •
   Initialism of allyl glycidyl ether.