created sense approved 凝灰岩 · nínghuīyán · tuff — "Initial import from upstream dictionary"
凝灰岩
nínghuīyán
tuff
A type of volcanic rock formed from the accumulation and consolidation of volcanic ash, dust, sand, and clay; often reddish-brown, yellow, or gray in color.
凝 (literal) → 凝 · níng · to congeal 灰岩 (literal) → 灰岩 · huīyán · limestone
Changed: simplified, traditional, gloss, definition, pinyin, variant pinyin, variants, separable parts, decomposition