noun
first law of thermodynamics
Physics term; also referred to as 熱力学の第一法則. States that energy is conserved in thermodynamic processes.
See also: 熱力学の第一法則 (ねつりきがくのだいいちほうそく)
熱力学第一法則はエネルギー保存則の一形態である。
The first law of thermodynamics is a form of the law of conservation of energy.
Synonymous; 熱力学第一法則 is a slightly more compact form, while 熱力学の第一法則 uses the possessive の.
Compound of 熱力学 (thermodynamics) + 第一 (first) + 法則 (law). A calque from English 'first law of thermodynamics'.