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energetics

American  
[en-er-jet-iks] / ˌɛn ərˈdʒɛt ɪks /

noun

(used with a singular verb)
  1. the branch of physics that deals with energy.


energetics British  
/ ˌɛnəˈdʒɛtɪks /

noun

  1. (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

Derived 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

The motility and energetics of sperm were less influenced by fluid flow in environments with lower viscosities.

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

The exponent of energetics, like the naive animistic thinker, attributes to nature a power like that which he feels welling up within himself.

From The Approach to Philosophy by Perry, Ralph Barton

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