pegmatoid

1 of 2

adjective

peg·​ma·​toid

-ˌtȯid

: pegmatitic

pegmatoid

2 of 2

noun

"

plural -s

1

: a pegmatite containing a feldspathoid as an essential constituent

2

: a coarse-grained pegmatite of normal habit as distinguished from graphic granite

Word History

Etymology

Adjective

pegmatite + -oid

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