energetics

American  

[en-er-jet-iks] / ˌɛn ərˈdʒɛt ɪks /

noun

(used with a singular verb)

1. the branch of physics that deals with energy.

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energetics British  

/ ˌɛnəˈdʒɛtɪks /

noun

1. (functioning as singular) the branch of science concerned with energy and its transformations

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Other Word Forms

• energeticist noun
• energetistic adjective

Etymology

Origin of energetics

First recorded in 1850–55; energetic, -ics

Example Sentences

In a speech on Wednesday, Healey will confirm plans to restart the production of energetics - explosives, pyrotechnics and propellants - in the UK.

From BBC • Nov. 18, 2025

Its adjusted operating margin, meanwhile, should rise to 14.7% from 14.2% in fiscal 2024, after Chemring’s energetics business performed better than expected, it added.

From The Wall Street Journal • Nov. 10, 2025

"The energetics show this object is very far away and very bright," says study lead author Matthew Graham, research professor of astronomy at Caltech and project scientist for ZTF.

From Science Daily • Nov. 7, 2025

"This relatively modest investment for energetics is a meaningful and important initiative," said Tom Karako, a weapons expert at the Center for Strategic and International Studies.

From Reuters • Aug. 2, 2023

The best systematic presentation of "energetics" is to be found in Ostwald's Vorlesungen über Natur-Philosophie.

From The Approach to Philosophy by Perry, Ralph Barton