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Definition of "agate" []

  • A fine-grained, fibrous variety of chalcedony with colored bands or irregular clouding. (noun)
  • Games A playing marble made of agate or a glass imitation of it; an aggie. (noun)
  • A tool with agate parts, such as a burnisher tipped with agate. (noun)
  • Printing A type size, approximately 5 1/2 points. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "agate" in a sentence
  • "Charlie and Chester [from DOOR WAY] are caught in agate for the rest of us to see and remember the quiet beauty of their lives, for people long after we have “walked into our own shadows” as you put it."
  • "I'd like to offer you black agate from a mine we own."
  • "In this nurturing environment Bruce Holmes began organizing what was called the agate project."