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; see origin at 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

Over six months the researchers made 60,000 behavioural observations of the bumblebees, allowing them to precisely estimate bumblebee foraging energetics.

From Science Daily • Oct. 24, 2023

"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

It is a case in which the simple doctrine of energetics becomes inadequate before the limit is reached.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" by Various