flux

Reading level: hard

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun the rate of flow of energy or particles across a given surface
  2. noun a flow or discharge
  3. noun a substance added to molten metals to bond with impurities that can then be readily removed

Etymology

From Old French flux, from Latin fluxus (“flow”).

In classic literature

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