quantum

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a discrete amount of something that is analogous to the quantities in quantum theory
  2. noun (physics) the smallest discrete quantity of some physical property that a system can possess (according to quantum theory)

Etymology

From Late Latin quantum, noun use of neuter form of Latin quantus (“how much”).

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