Last Updated
：2026/01/04
ケイ素
Hiragana
けいそ
Kanji
珪素
Noun
Japanese Meaning
元素記号Si、原子番号14の元素。半導体材料として用いられ、コンピュータの集積回路などに不可欠な物質。地殻中に多く存在し、石英や珪酸塩鉱物の主成分となる。
Easy Japanese Meaning
石やすなのなかにおおいもの。電気をつかうどうぐのぶひんにつかわれる。
Chinese (Simplified) Meaning
硅 / 化学元素硅
Chinese (Traditional) Meaning
矽 / 矽元素 / 化學元素矽（符號Si）
Korean Meaning
규소 / 원소 기호 Si의 화학 원소
Vietnamese Meaning
silic (Si) / nguyên tố hóa học ký hiệu Si, số hiệu nguyên tử 14 / phi kim bán dẫn dùng trong chế tạo vi mạch
Tagalog Meaning
silisyum / elementong kemikal na may sagisag na Si / metaloid na ginagamit sa mga semikonduktor
Sense（1）
silicon, Si
（ romanization ）
（ hiragana ）
Quizzes for review
See correct answer
Silicon is widely used in the manufacture of semiconductors.
Silicon is widely used in the manufacture of semiconductors.
See correct answer
ケイ素は半導体の製造に広く使用されています。
Japanese - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen changing entry name
- Users authorized to vote on judging - All Users
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
