agate

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

Definition of agate

1 :a fine-grained variegated chalcedony having its colors arranged in stripes, blended in clouds, or showing mosslike forms
2 :something made of or fitted with agate: such as
a :a drawplate used by gold-wire drawers
b :a playing marble of agate
3 a :a size of type approximately 5¹/₂ point
b :condensed information (such as advertisements or box scores) set especially in agate type

Recent Examples of agate from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'agate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of agate

Middle French, from Latin achates, from Greek achatēs

Other Mineralogy Terms


AGATE Defined for English Language Learners

agate

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noun

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

: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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