energetic

comparative more energetic · superlative most energetic · alternative obsolete energetick

1. sciencesPossessing or pertaining to energy.First known use 19th c.

   energetic laws

   2 more examples

   Cosmic rays are energetic particles from outer space.

   Now lift the inverted jar so that the air can get at the outside of the “porous cup” and instantly the energetic illuminating gas which is now inside the “porous cup” begins to come out, and the water rises in the glass tube to take its place.

   1898, Home Study for Electrical Workers, page 36

2. Characterised by force or vigour; full of energy; lively, vigorous, furious.First known use 18th c.

   Those kids are so energetic: they want to run around playing all day.

   1 more example

   They are even now insulted with all the arguments which have been used in favor of energetic governments, ever since the days of Pharaoh: but every one knew, long before our revolution, that an energetic government could be supported […]

   1801, Abraham Bishop, An Oration on the Extent and Power of Political Delusion, page 38

   Synonyms: go-go

3. obsoleteHaving powerful effects; efficacious, potent.First known use 17th–20th c.

   At these energetic sounds, the sun hid himself beneath a gloomy cloud; and the waters of two little lakes, that were naturally clearer than crystal, became of a colour like blood.

   1816, William Beckford, Vathek, Oxford, published 2013, page 82

4. grammarOf or relating to certain Arabic verb forms that emphasize or intensify the meaning.

plural energetics · alternative obsolete energetick

1. in pluralmaterials scienceAny material used for its release of energy, either as an explosive, propellant, or for pyrotechnic effects.

   Improved energetics can help the Department of Defense build smaller munitions that still pack a punch.

   2022 April 20, Nadia Schadlow, Brady Helwig, “Ukraine war shows America could be outgunned without investing in energetics”, in Breaking Defense, Breaking Media, archived from the original on 20 Apr 2022

   2 more examples

   Unfortunately, conventional nanoporous energetics can have poor long-term storage stability, and can be dangerously unstable, severely limiting their usefulness.

   2014 February 25, James J . Myrick, Nanoparticles, Compositions, Manufacture and Applications, US Patent US-10858296-B1, column 106

   Where I will say there is something that we all have to watch is the underlying suppliers, the suppliers of solid rockets motors, of batteries, of energetics.

   2023 March 13, 32:11 from the start, Arming Ukraine, in Joseph Camp, director, PBS NewsHour (television production), spoken by William LaPlante, via Public Broadcasting Service (PBS), archived from the original on 10 Mar 2023