What does the word gneiss mean?

    Part of speech: noun

  • A granitic rock.

  • Part of speech: adjective

  • Gnelssic, gneissold.

Usage examples for gneiss

  1. He found true erratics- loose pebbles, granite, gneiss, and granitic sandstone, having no resemblance to any native rock in the vicinity- scattered over the whole surface of the hill to its very summit. – Louis Agassiz: His Life and Correspondence by Louis Agassiz
  2. Granite and gneiss, overlaid with hard dark sandstone and masses of secondary limestone, form as it were the skeleton of the country. – Patriarchal Palestine by Archibald Henry Sayce