moss agate

  1. a kind of agate or chalcedony containing brown or black mosslike dendritic markings from various impurities.

Origin of moss agate

First recorded in 1790–1800

Words Nearby moss agate Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use moss agate in a sentence

  • There was blood upon that moon, and all the shores were like veins in moss-agate and the sea like oil.

    Over the Rocky Mountains to Alaska | Charles Warren Stoddard
  • His soft eyes hardened and the moss-agate look came into them.

    Fore! | Charles Emmett Van Loan
  • Mr. Colon picked up a fine moss agate and the Professor a Kansas diamond.

    Buffalo Land | W. E. Webb
  • On the street I met the stage manager and the tall, dark man just as they were coming out of the moss agate saloon.

    Cordwood | Edgar Wilson (Bill) Nye
  • It is a chalky white, and shows a growth of moss like that of moss agate.

    To and Through Nebraska | Frances I. Sims Fulton

British Dictionary definitions for moss agate

moss agate

  1. a variety of chalcedony with dark greenish mossy markings, used as a gemstone

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012