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deceleron

American

[dee-sel-uh-ron] / diˈsɛl əˌrɒn /

noun

Aeronautics.

an aileron that acts as a brake.

Etymology

Origin of deceleron

Blend of decelerate and aileron

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.