calcareous

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

adjective composed of or containing or resembling calcium carbonate or calcite or chalk

Learned borrowing from Latin calcārius (“of or pertaining to lime”), derived from calx (“lime”). Similar to calcium.

Surface, undulating and dry; soil, deep, rich, and calcareous. — A New Guide for Emigrants to the West, John Mason Peck
Their calcareous deposits become rocks, reefs, and large and small islands. — Twenty Thousand Leagues under the Sea, Jules Verne
Its material is soft calcareous stone, and nothing but its sheltered position could have preserved it. — The Book of the National Parks, Robert Sterling Yard

chalky

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