percolation

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun the slow passage of a liquid through a filtering medium
  2. noun the act of making coffee in a percolator
  3. noun the filtration of a liquid for extraction or purification

Etymology

From Latin percōlātiō.

In classic literature

Synonyms

infiltration

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