Dictionary.com Thesaurus.com

hydrobomb

American

[hahy-druh-bom] / ˈhaɪ drəˌbɒm /

noun

an aerial torpedo equipped with a rocket engine that propels it after the torpedo has entered the water.

Etymology

Origin of hydrobomb

hydro- ¹ + bomb

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.