subduction

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a geological process in which one edge of a crustal plate is forced sideways and downward into the mantle below another plate

Etymology

From Latin subductiō, from subdūcere (“to draw from under or below”). Equivalent to subduct + -ion or subduce + -tion.

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