follow Dictionary.com

What is the X in X-mas?

flight envelope

noun

the combination of speed, altitude, angle of attack, etc. within which a flying object is aerodynamically stable; an aircraft's performance limits

Usage Note

aeronautics

Dictionary.com's 21st Century Lexicon
Copyright © 2003-2014 Dictionary.com, LLC
Cite This Source

Word of the Day

Word Value for flight

13
14
Scrabble Words With Friends