爬は虫ちゅう類るい学がく

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Meanings

1

noun

herpetology

Scientific field studying reptiles and amphibians. Used in academic and formal contexts.

scratch, crawl

虫insect, bug, temper

類sort, kind, variety

学study, learning, science

爬は虫ちゅう類るい
爬虫類 means 'reptiles' (the animals), while 爬虫類学 is the scientific study of reptiles and amphibians.

Compound of 爬虫類 (reptiles) + 学 (study, -ology). The term is a modern academic coinage.