How to say "geology" in Japanese
Choosing the right word
- 地質学ちしつがくnounThe common word for geology as an academic discipline, the science that studies the earth's rocks and structure. For most purposes this is the word to use.
- nounA loanword with the same meaning, geology as a field of science. It is less common than 地質学, which is the word you will normally want.
Both words refer to geology as a scientific discipline: 地質学 is the common term and the usual choice, while 「ジオロジー」 is a less common loanword with the same meaning.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
Japanese equivalents
