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Definition 2024
二十日鼠
二十日鼠
Japanese
Alternative forms
Noun
二十日鼠 (hiragana はつかねずみ, katakana ハツカネズミ, romaji hatsuka nezumi)
- Mus musculus, the common house mouse
Usage notes
As with many terms that name organisms, this term is often spelled in katakana in biological contexts, as ハツカネズミ. The generic Japanese term for mouse or rat is 鼠 (nezumi).