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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

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

He may justly be considered the founder of modern energetics.

From The New Physics and Its Evolution by Poincaré, Lucien

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