gneissoid

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English[edit]

Etymology[edit]

From gneiss +‎ -oid

Adjective[edit]

gneissoid (comparative more gneissoid, superlative most gneissoid)

  1. (geology) Having a structure similar to that of gneiss, or intermediate between that of gneiss and mica or granite

Noun[edit]

gneissoid (plural gneissoids)

  1. (geology) A metamorphic rock having the composition of a laminated granite