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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

Etymology

Origin of energetics

First recorded in 1850–55; see origin at 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

This device leveraged microfluidics to examine sperm flagellar waveform and energetics in response to changes in flow and viscosity.

From Science Daily • Nov. 1, 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

These methods have permeated all branches of science more or less, but in no sphere has the tendency to indulge in speculation been more pronounced than in that which deals with energetics.

From The Energy System of Matter A Deduction from Terrestrial Energy Phenomena by Weir, James

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