gneissoid

[ nahy-soid ]

adjective

1. resembling gneiss.

Word History and Origins

Origin of gneissoid¹

First recorded in 1840–50; gneiss + -oid

Example Sentences

Drifts piled high in bleak ravines, and the grim gneissoid crags were begirt with gigantic icicles.

From Project Gutenberg

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

From Project Gutenberg