Gneissoid definitions

Gneissoid

1) Resembling gneiss
Found on https://www.crosswordclues.com/clue/gneissoid

• (a.) Resembling gneiss; having some of the characteristics of gneiss; -- applied to rocks of an intermediate character between granite and gneiss, or mica slate and gneiss.
Found on http://thinkexist.com/dictionary/meaning/gneissoid/

Gneissoid

Gneis'soid (-soid) adjective [ Gneiss + -oid .] Resembling gneiss; having some of the characteristics of gneiss; -- applied to rocks of an intermediate character between granite and gneiss, or mica slate and gneiss.
Found on http://www.encyclo.co.uk/webster/G/39