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Classic usage
Reading level: hard
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From Middle English cristallyn, cristallyne, from Old French cristallin and its etymon Latin crystallinus, from Ancient Greek κρυστάλλινος (krustállinos), from κρύσταλλος (krústallos, “crystal”) + -ῐνος (-ĭnos, adjectival suffix). By surface analysis, crystal + -ine.
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Classic usage
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