琺ほう瑯ろう質しつ

noun

tooth enamel

Medical/dental term for the hard outer layer of a tooth. Often contrasted with エナメル質, which is the more common term in everyday contexts.

See also: エナメル質 (エナメルしつ)

• 琺ほう瑯ろう質しつは人じん体たいで最もっとも硬かたい組そ織しきです。

  Tooth enamel is the hardest tissue in the human body.

• 酸さんによって琺ほう瑯ろう質しつが溶とけることがあります。

  Acid can sometimes dissolve tooth enamel.