ossa

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a mouth or mouthlike opening
  2. noun a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known
  3. noun (computer science) software that controls the execution of computer programs and may provide various services

Synonyms

os

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