乳にゅう歯しにゅうしFreq.FrequencyTop 50,000Meanings1nounbaby tooth; milk tooth; deciduous toothRefers to a child's first set of teeth, which are later replaced by permanent teeth. Common in medical and everyday contexts.子こ供どもの乳にゅう歯しが抜ぬけ始はじめた。My child's baby teeth have started to fall out.
