chrysoberyl

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a rare hard yellow green mineral consisting of beryllium aluminate in crystal form; used as a gemstone

Etymology

From Latin chrysoberyllus, from Ancient Greek χρῡσοβήρυλλος (khrūsobḗrullos, “gold beryl”), from χρυσός (khrusós, “gold”) after its color, and βήρυλλος (bḗrullos, “beryl”), equivalent to chryso- + beryl.

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