Last Updated：2025/11/19
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The kilogram is the base unit of mass in the International System of Units and underpins many scientific and commercial measurements.
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The kilogram is the base unit of mass in the International System of Units and underpins many scientific and commercial measurements.
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kilogram
IPA(Pronunciation)
Noun
proscribed
Japanese Meaning
国際単位系（SI）における質量の基本単位。かつては1リットルの水の質量と考えられていたが、現在はプランク定数の固定値に基づいて定義される。記号は kg
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