白はく亜あ質しつ

は

く

あ

し

つ

Meanings

1

cementum; cement

Anatomical term for the calcified layer covering the root of a tooth. Compare セメント質.

セメント質しつ
Synonymous anatomical term; セメント質 is more common in modern medical contexts.

ひょう

面めん

は

白はく

亜あ

質しつ

で

覆おお

わ

れ

て

いる

。

The surface of the tooth root is covered with cementum.

2

noun which may take the genitive case particle 'no', noun

chalky

Describes a chalk-like quality or appearance; less common than the anatomical sense.

From 白亜 (chalk) + 質 (substance, quality). The anatomical sense is a calque of English 'cementum'.