heavier-than-air

[hev-ee-er-thuhn-air]

heav·i·er-than-air

[hev-ee-er-thuhn-air]
adjective
(of an aircraft) weighing more than the air that it displaces, hence having to obtain lift by aerodynamic means.

Origin:
1900–05
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To heavier-than-air

00:10

00:09

00:08

00:07

00:06

00:05

00:04

00:03

00:02

00:01

Heavier-than-air has a plethora of syllables.
So is pneumonoultramicroscopicsilicovolcanoconiosis. Does it mean:
an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language.
the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
Collins
World English Dictionary
heavier-than-air
 
adj
1.  having a density greater than that of air
2.  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 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Dictionary.com, LLC. Copyright © 2012. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature