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凝灰岩 (gyoukaigan) Japanese meaning: tuff | Kotomora

凝ぎょう灰かい岩がん

ぎょ

う

か

い

が

ん

Freq.FrequencyTop 100,000

Meanings

1

tuff

A type of rock formed from consolidated volcanic ash. Used in geology and related fields.

この地ち域いきの地ち層そうには凝ぎょう灰かい岩がんが多おお

く

含ふく

ま

れ

て

いる

。

The strata in this area contain a lot of tuff.

Kanji

凝congeal, freeze, stiff
灰ashes, puckery juice, cremate
岩boulder, rock, cliff

Related words

火か山ざん灰ばい
火山灰 is volcanic ash, the loose material; 凝灰岩 is the consolidated rock formed from it.

Etymology

From 凝 (ぎょう, 'to solidify') + 灰 (かい, 'ash') + 岩 (がん, 'rock'). The reading ぎょう is the kan'on reading of 凝.