Translation guide
Expressing the idea of reducing weight, whether of objects, vehicles, or body weight. Japanese uses different terms depending on context: physical objects, vehicles, or body weight loss.
Making something lighter in weight, such as products, equipment, or materials.
The most common term for weight reduction of objects, equipment, or vehicles. Often used in engineering and manufacturing contexts.
This product has been reduced in weight.
Weight reduction of automobiles is important for improving fuel efficiency.
A more general phrase meaning 'to reduce weight'. Can be used for objects, but less technical than 軽量化.
Means 'reduction' or 'mitigation', often used for burdens, taxes, or weight in a figurative sense. Can be used for physical weight but less common.
Reducing one's own body weight, typically for health or aesthetic reasons.
The standard term for weight loss, especially in contexts like sports, health, or dieting.
I'm exercising to lose weight.
A straightforward phrase meaning 'to reduce body weight'. Common in everyday conversation.
Loanword from English 'diet', widely used to mean weight loss efforts or dieting.
A formal or technical term for slimming or weight loss, often used in beauty or medical contexts.
Specifically making vehicles, aircraft, or spacecraft lighter to improve performance.
減量 is specifically for body weight loss (human or animal). Using it for objects sounds unnatural. Use 軽量化 instead.
product weight reduction
軽量化 is for making things lighter (machines, materials). 減量 is for losing body weight. 体重を減らす is a more casual way to say 'lose weight'.
Weight reduction is essential for fuel efficiency.
She is trying to lose weight.
We need to reduce the weight of the luggage.
負荷の軽減を図る。
Aim for a reduction of the load.
Boxers lose weight before a match.
Please tell me how to lose weight.
ダイエットに成功しました。
I succeeded in losing weight.
痩身効果のあるサプリメント。
A supplement with slimming effects.
Carbon materials are used for vehicle body weight reduction.