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1. Not rigid: a nonrigid frame.
2. Of, relating to, or being a lighter-than-air aircraft that holds its shape by gas pressure.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. not rigid; flexible
2. (Aeronautics) (of the gas envelope of an airship) flexible and held in shape only by the internal gas pressure
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. not rigid.
2. designating a type of airship having a flexible gas container without a supporting structure and held in shape only by the pressure of the gas within.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Adj.||1.||nonrigid - designating an airship having a shape maintained only by internal gas pressure and without a supporting structure|
rigid - designating an airship or dirigible having a form maintained by a stiff unyielding frame or structure
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.