Last Updated
：2026/01/05
凝灰岩
Hiragana
ぎょうかいがん
Noun
Japanese Meaning
火山活動により噴出された火山灰や軽石などが堆積し、固結してできた岩石。 / 主にガラス質や火山砕屑物からなり、しばしば建材や石材として利用される岩石。
Easy Japanese Meaning
かざんのばくはつで出たちりやかざんはいがつもり，かたまってできたいし
Chinese (Simplified) Meaning
由火山灰和火山碎屑固结形成的岩石 / 常见的火山碎屑岩，成分可含火山玻璃与矿物碎屑
Chinese (Traditional) Meaning
由火山灰膠結固化形成的岩石 / 火山碎屑岩的一種，主要由火山灰與碎屑構成 / 火山噴發物沉積後固結的岩石
Korean Meaning
화산재가 굳어 형성된 암석 / 화산쇄설암의 한 종류
Vietnamese Meaning
đá tuf / đá tro núi lửa / đá bụi núi lửa kết
Tagalog Meaning
batong nabuo mula sa siniksik na abo ng bulkan / tuf; batong abo ng bulkan
Sense（1）
(petrology) tuff
（ canonical ）
（ romanization ）
（ romanization ）
（ hiragana historical ）
（ hiragana ）
Quizzes for review
See correct answer
The geology of this area is mainly composed of tuff.
See correct answer
この地域の地質は主に凝灰岩で構成されています。
Japanese - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen changing entry name
- Users authorized to vote on judging - All Users
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
