English
heterocrystalline
From hetero- + crystalline.
Formed from hetero- + crystalline
Proto-Indo-European *sem- ‘one, whole’
Proto-Indo-European *sḿ̥teros
Proto-Hellenic *hə́teros
Ancient Greek ἕτερος ‘other, another, different’
English hetero-
Ancient Greek κρύος ‘cold’
…
Ancient Greek κρυστάλλινος ‘of crystal’
Latin crystallinus ‘crystal’
Old French cristallin
Middle English cristallyn
English crystalline
Today it means
adj Relating to or composed of two or more different crystals.
Language periods are conventional ranges, not dates for this word.
Etymograph / heterocrystalline