質量
質量 (shitsuryō) refers to 'mass' in a scientific context, representing the amount of matter in an object regardless of gravity. In a more general or metaphorical sense, it can describe the 'density' or 'substance' of content or information.
Exemplos
3 de 5この荷物の質量を計算してください。
Please calculate the mass of this luggage.
本研究では、サンプルの質量変化を追跡しました。
In this study, we tracked the change in mass of the samples.
このゲーム、データの質量が半端ないね。
The amount of content/data in this game is insane, right?
Família de palavras
Dica de memorização
Think of the kanji: 質 (Quality) + 量 (Quantity). It's the total 'Quantity' of the 'Quality/Substance' an object has.
Quiz rápido
理科の実験で、石の（ ）を天秤で量りました。
Correto!
A resposta correta é: 質量
Exemplos
この荷物の質量を計算してください。
everydayPlease calculate the mass of this luggage.
本研究では、サンプルの質量変化を追跡しました。
formalIn this study, we tracked the change in mass of the samples.
このゲーム、データの質量が半端ないね。
informalThe amount of content/data in this game is insane, right?
質量保存の法則は、化学反応の前後で物質の総量は変わらないという原理です。
academicThe law of conservation of mass is the principle that the total amount of matter does not change before and after a chemical reaction.
我々の製品は、軽量化しつつも質量感を維持しています。
businessOur products maintain a sense of substance while being lightweight.
Família de palavras
Colocações comuns
Frases Comuns
質量ともに
both in quality and quantity
質量分析
mass spectrometry
質量欠損
mass defect
Frequentemente confundido com
Shitsuryō (mass) is constant everywhere in the universe, while jūryō (weight) changes depending on gravity.
Notas de uso
Use this word primarily in scientific, technical, or highly formal contexts. In daily life, 'omosa' (weight) is much more common unless you are specifically discussing physics.
Erros comuns
Learners often use 'shitsuryō' when they just mean a heavy bag in a casual conversation; 'omosa' is more natural there.
Dica de memorização
Think of the kanji: 質 (Quality) + 量 (Quantity). It's the total 'Quantity' of the 'Quality/Substance' an object has.
Origem da palavra
A Sino-Japanese compound (Kango) where 'shitsu' (nature/substance) meets 'ryō' (quantity/measure).
Padrões gramaticais
Contexto cultural
In modern Japanese subcultures like anime, 'mass' (shitsuryō) is often used to describe the power or 'heaviness' of an attack or a character's presence.
Quiz rápido
理科の実験で、石の（ ）を天秤で量りました。
Correto!
A resposta correta é: 質量
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