Dictionary.com

heavier-than-air

[ hev-ee-er-thuhn-air ]
/ ˈhɛv i ər ðənˈɛər /
Save This Word!

adjective
(of an aircraft) weighing more than the air that it displaces, hence having to obtain lift by aerodynamic means.
QUIZ
CUDDLE UP! A COZY QUIZ ON FALL WORDS HAS ARRIVED
If autumn is your ideal season, spice up your repertoire of "fall" vocabulary with this quiz on some warm and vivid descriptive words for the season.
Question 1 of 10
Which of the following words means “to make a crackling sound; crackle”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of heavier-than-air

First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use heavier-than-air in a sentence

British Dictionary definitions for heavier-than-air

heavier-than-air

adjective
having a density greater than that of air
of or relating to an aircraft that does not depend on buoyancy for support but gains lift from aerodynamic forces
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK