Last Updated：2025/11/22

(anatomy) Any tooth that falls out as later teeth grow in or as other existing teeth move to take its place.

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deciduous tooth

Source Word

deciduous tooth

Japanese Meaning

乳歯

The child proudly showed the loose deciduous tooth to everyone at the dinner table.

その子は夕食のテーブルでぐらぐらしている乳歯をみんなに誇らしげに見せた。

Sense（1）

Sense（2）

(particularly) (anatomy) A baby tooth or milk tooth which is replaced by later permanent teeth in animals displaying diphyodonty.

deciduous teeth

（ plural ）