torus

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a ring-shaped surface generated by rotating a circle around an axis that does not intersect the circle
  2. noun commonly the lowest molding at the base of a column

Etymology

Borrowed from Latin torus (“a round, swelling, elevation, protuberance”).

Synonyms

toroid

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