Last Updated
：2025/12/07
玢岩
Hiragana
ひんがん
Noun
Japanese Meaning
火山岩の一種で、斑状組織をもつ中性ないし塩基性の岩石。主に斜長石などの斑晶が細粒の石基中に散在している。斑岩の一種とされることもある。
Easy Japanese Meaning
きれいなつぶつぶが見えるかたい石で、むかしの火山からできた石
Sense（1）
(mineralogy) porphyrite
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
See correct answer
玢岩
See correct answer
This area is rich in porphyrite.
See correct answer
この地域は玢岩が豊富に存在しています。
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
