Translation guide
The English word "physics" refers to the scientific study of matter, energy, and their interactions. In Japanese, it is most commonly translated as 物理学 (butsurigaku), but there are nuances depending on context.
Referring to physics as a discipline, school subject, or area of research.
The standard term for the academic field of physics. Used in all contexts: education, research, and everyday conversation about the subject.
彼は大学で物理学を専攻しています。
He is majoring in physics at university.
物理学は難しい科目だと思いますか？
Do you think physics is a difficult subject?
A common abbreviation of 物理学, often used in compound words or informal contexts. It can also refer to the physical properties of something, but in educational settings, it means the school subject.
高校で物理を取っています。
I'm taking physics in high school.
物理の先生はとても厳しいです。
The physics teacher is very strict.
Referring to the physical characteristics, mechanics, or natural laws of a system, often in a non-academic sense.
Used to talk about the physical aspects or laws of something, like in game physics or the physics of a sport. It can also appear in compound words like 物理的 (physical).
このゲームの物理エンジンはリアルです。
The physics engine in this game is realistic.
彼は物理的に不可能なことを要求した。
He demanded something physically impossible.
Can also be used in a broader sense to refer to the laws of physics, but 物理 is more common for non-academic contexts.
物理学 is the full, formal term for the academic discipline. 物理 is a common abbreviation used in everyday conversation, especially when talking about school subjects or in compound words. In formal writing or official contexts, 物理学 is preferred.
それは物理学の法則に反している。
That goes against the laws of physics.