SINCE 1828
pegmatoid
adjective
peg·ma·toid
| \ -ˌtȯid\
Definition of pegmatoid
(Entry 1 of 2)
pegmatoid
noun
\ "\
plural -s
Definition of pegmatoid (Entry 2 of 2)
1
: a pegmatite containing a feldspathoid as an essential constituent
2
: a coarse-grained pegmatite of normal habit as distinguished from graphic granite
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