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arc-jet engine

American

[ahrk-jet] / ˈɑrkˌdʒɛt /

Or arcjet engine

noun

a type of rocket engine using propellant gas heated by an electric arc.

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.