Last Updated
：2025/12/24
石灰素
Hiragana
せっかいそ
Noun
dated
Japanese Meaning
金属元素の一つで、元素記号Ca、原子番号20のアルカリ土類金属。骨や貝殻などの主成分。 / 石灰分を多く含む成分や物質。 / （古い用法）カルシウムのこと。
Easy Japanese Meaning
ほねやはのねをつくるげんぶんで、からだのなかにすくないりょうふくまれているもの
Chinese (Simplified)
钙；化学元素，符号Ca / 钙元素的旧称
Sense（1）
(dated) calcium, Ca
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
See correct answer
石灰素
See correct answer
Old scientists discovered that calcium was important for bone health.
Old scientists discovered that calcium was important for bone health.
See correct answer
昔の科学者たちは、石灰素が骨の健康に重要であることを発見しました。
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