secs

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun 1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites
  2. noun ratio of the hypotenuse to the adjacent side of a right-angled triangle
  3. noun an independent federal agency that oversees the exchange of securities to protect investors

Synonyms

second, sec, s

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