Last Updated
：2026/01/12
白亜
Hiragana
はくあ
Noun
Japanese Meaning
白くてやわらかい石灰質の岩石。チョークの原料となる。「白亜紀」の「白亜」はこの意味。 / 真っ白なこと、白一色のようす。
Easy Japanese Meaning
しろくてやわらかい石。こするとしろいこながでる。
Chinese (Simplified) Meaning
白色、柔软、多孔的碳酸盐沉积岩；白垩 / 石灰岩的一种，主要由方解石组成，常用于制粉笔
Chinese (Traditional) Meaning
白色且柔軟的石灰岩，主要由碳酸鈣構成。 / 由微生物殼體堆積形成的白色沉積岩，通稱白堊。 / 地質上的白堊岩，常見於白堊紀地層。
Korean Meaning
백색의 부드러운 탄산칼슘 암석 / 분필의 원료가 되는 흰색 석회암
Indonesian
batu kapur putih halus / kapur tulis alami (batuan)
Vietnamese Meaning
đá phấn / đá vôi trắng mềm
Tagalog Meaning
kreta; puting batong-apog / apog na pino at malutong
Sense（1）
chalk (the stone)
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
See correct answer
This chalk is very pure, perfect for drawing pictures.
See correct answer
この白亜は非常に純粋で、絵を描くのに最適です。
Japanese - English
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