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gneissoid

[nahy-soid]
adjective
  1. resembling gneiss.
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Origin of gneissoid

First recorded in 1840–50; gneiss + -oid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for gneissoid

Historical Examples of gneissoid

  • At this distance, rapids commence, and the bed of the river exhibited greenstone and gneissoid boulders.

    Personal Memoirs Of A Residence Of Thirty Years With The Indian Tribes On The American Frontiers

    Henry Rowe Schoolcraft