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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


(nɒnˈrɪdʒ ɪd)

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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.nonrigid - designating an airship having a shape maintained only by internal gas pressure and without a supporting structure
aeronautics, astronautics - the theory and practice of navigation through air or space
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.
References in periodicals archive ?
His topics include basics of the micro-Doppler effect in radar, rigid and nonrigid body motion, vital sign detection, hand gesture recognition, and analysis and interpretation of the micro-Doppler signature.
and Buffet, B.A.: 2002, Modeling of nutation-precession for nonrigid Earth, and insights into the Earth's interior.
If the deceased is being buried in a shroud or nonrigid container, consider placing the body on a wooden board to distribute the weight more evenly.
(1992) developed a nonrigid silicone model of the aorta to understand fluid-structure interaction (FSI) and the impact of wall compliance on the flow patterns generated in the aortic arch [3].
Designed to accommodate the deployment of a nonrigid reflector that is bigger than any other antenna, the NSLSat-1 will deliver unheard of data rates for a nanosat and supercharge an industry "stuck" in narrowband communications.
Although many tracking algorithms are proposed in recent decades [1], designing a robust tracking algorithm remains a challenging issue due to factors such as fast motion, out-of-rotation, nonrigid deformation, and background clutters.
For example, Ascione and Polini gave a solution to the problem of nonrigid freeform inspection by a coordinate measuring machine [7].
* if the beam is considered to be a nonrigid link, the main feedback sensor does not provide reliable information about the adjustable coordinate under perturbations with large accelerations and with a considerable mass of the beam (platform);
First, following a preprocessing step to normalize the input images, a nonrigid registration step between magnetic resonance images (MRI) and PET images is applied, followed by a nonrigid transformation to the MNI152-space which was annotated by the automated anatomical labelling (AAL) brain atlas.
The loop of this type is given by nonrigid aggregates of plate-like particles [46].
Piecuch, "Long-term effects of orthognathic surgery on the temporomandibular joint: comparison of rigid and nonrigid fixation methods," International Journal of Oral and Maxillofacial Surgery, vol.
Lin, "Mass preserving nonrigid registration of CT lung images using cubic B-spline," Medical Physics, vol.