agate

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noun, often attributive ag·ate \ˈa-gət\

Definition of agate

  1. 1 :  a fine-grained variegated chalcedony having its colors arranged in stripes, blended in clouds, or showing mosslike forms

  2. 2 :  something made of or fitted with agate: as a :  a drawplate used by gold-wire drawers b :  a playing marble of agate

  3. 3 a :  a size of type approximately 512 point b :  condensed information (as advertisements or box scores) set especially in agate type

Origin and Etymology of agate

Middle French, from Latin achates, from Greek achatēs


First Known Use: 1570

Other Mineralogy Terms


AGATE Defined for English Language Learners

agate

play
noun, often attributive ag·ate \ˈa-gət\

Definition of agate for English Language Learners

  • : a very hard stone used especially in jewelry that has colors arranged in stripes or in patches


AGATE Defined for Kids

agate

play
noun ag·ate \ˈa-gət\

Definition of agate for Students

  1. :  a mineral that is a form of quartz with colors arranged in stripes or patches and that is used especially in jewelry


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