gneissoid
English
Etymology
gneiss + -oid
Adjective
gneissoid (comparative more gneissoid, superlative most gneissoid)
- (geology) Having a structure similar to that of gneiss, or intermediate between that of gneiss and mica or granite
Noun
gneissoid (plural gneissoids)
- (geology) A metamorphic rock having the composition of a laminated granite