from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A crude stone artifact, such as a flake.

from The Century Dictionary.

  • noun A rudely chipped flint implement (or what appears to be such) regarded, from its workmanship, as older than the paleoliths. Eoliths are found in the oldest Quaternary deposits of Europe.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Crudely chopped flints, believed to be naturally produced by geological processes such as glaciation.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a crude stone artifact (as a chipped flint); possibly the earliest tools


from Wiktionary, Creative Commons Attribution/Share-Alike License

From Ancient Greek ἑός (eos, "dawn") + λίθος (lithos, "stone").


  • From the beginning to the ripening of that phase of human life, from the first clumsy eolith of rudely chipped flint to the first implements of polished stone, was two or three thousand centuries, ten or fifteen thousand generations.

    The World Set Free


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  • Hard to believe there's a word for "I thought it was an artifact, but it's just a rock." I think my dad used to call those "leavarites."

    May 13, 2011

  • He's more than a chip off the block;

    This cave man is cock of the walk.

    Not Dad's eolith

    But rad neolith

    Is what he can knock from a rock.

    July 9, 2017