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作用積分 (さようせきぶん, sayousekibun) Japanese meaning | Kotomora

作さ用よう積せき分ぶん

さ

よ

う

せ

き

ぶ

ん

Meanings

1

action integral

Technical term in physics, specifically in Lagrangian and Hamiltonian mechanics, referring to the integral of the Lagrangian over time.

最さい小しょう作さ用ようの原げん理りでは、作さ用

よう

積せき

分ぶん

が

停てい

留りゅう

値ち

を

とる

経けい

路ろ

が

実じつ

現げん

さ

れる

。

In the principle of least action, the path that makes the action integral stationary is realized.

Kanji

作make, production, prepare
用utilize, business, service
積volume, product (x*y), acreage
分part, minute of time, segment

Related words

作さ用よう
Means 'action' in a general sense; 作用積分 is a specific compound for the action integral in physics.
積せき分ぶん
Means 'integral' in mathematics; 作用積分 combines it with 'action' to form the physics term.

Built from

作さ用よう+積せき分ぶん

Etymology

Compound of 作用 (action) and 積分 (integral), directly translating the English physics term 'action integral'.