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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

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.

See Examples For:

The Trump administration proposed spending almost $50 billion to develop domestic sources of critical minerals, chemicals and energetics.

From The Wall Street Journal Jul. 28, 2026

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

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

The study of the philosophy of the steam-engine involves the study of chemistry and physics, and of the new science of energetics, of which the now well-grown science of thermo-dynamics is a branch.

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

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