digestion

Reading level: hard

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun the process of decomposing organic matter (as in sewage) by bacteria or by chemical action or heat
  2. noun the organic process by which food is converted into substances that can be absorbed into the body
  3. noun learning and coming to understand ideas and information

Etymology

From Old French digestion. Partly displaced native Old English melting (“melting, digestion”).

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