energetics

American

[en-er-jet-iks] / ˌɛn ərˈdʒɛt ɪks /

noun

(used with a singular verb)

the branch of physics that deals with energy.

energetics British

/ ˌɛnəˈdʒɛtɪks /

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

energeticist noun
energetistic adjective

Etymology

Origin of energetics

First recorded in 1850–55; energetic, -ics

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

Observing the radio emission from quasars can also tell you about the energetics of the central supermassive black hole; whether it is launching powerful "winds" or "jets" that might shape the surrounding galaxy.

From Science Daily • Sep. 25, 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

There are three great laws of energetics: 1.

From A History of the Growth of the Steam-Engine by Thurston, Robert H.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023