perimorph

[per-uh-mawrf]

noun

a crystal of one mineral enclosing that of another mineral.Compare endomorph(def 1).

Origin of perimorph

First recorded in 1880–85; peri- + -morph

Related formsper·i·mor·phic, per·i·mor·phous, adjectiveper·i·mor·phism, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for perimorph

Historical Examples of perimorph

Endomorph, en′do-morf, n. a mineral enclosed within another mineral, the latter being termed a perimorph.
Chambers's Twentieth Century Dictionary (part 2 of 4: E-M)
Various

British Dictionary definitions for perimorph

perimorph

noun

a mineral that encloses another mineral of a different type

Derived Formsperimorphic or perimorphous, adjectiveperimorphism, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012