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Related to self-propulsion: perpetual motion


1. Containing its own means of propulsion: a self-propelled golf cart.
2. Fired from or mounted on a moving vehicle: a self-propelled howitzer.

self′-pro·pul′sion (-pŭl′shən) n.
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.


propulsion of a vehicle through its own source of tractive power rather than by an external means
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Travel Business Review-August 26, 2019-Lockheed Martin's 2nd next generation GPS III satellite responds to commands under self-propulsion
M2 EQUITYBITES-August 26, 2019-Lockheed Martin's 2nd next generation GPS III satellite responds to commands under self-propulsion
ENPNewswire-August 23, 2019--Second Lockheed Martin-Built Next Generation GPS III Satellite Responding To Commands, Under Self-Propulsion
The self-propulsion unit allows the gun to negotiate and deploy itself in mountainous terrains with ease.
Driven by a self-propulsion module, the fully air-conditioned train will also be the fastest train in India.
This Train 18 (T18) is driven by a self-propulsion module sans a separate locomotive (engine).
In last year's competition, many of the pods were driven with the help of the company's pusher pod, which is why self-propulsion was made one of the pre-requisites for this year's contest.
Engineers at Caltech and ETH Zurich have developed robots capable of self-propulsion without using any motors, servos, or power supply.
Not surprisingly, she often books one for the birthday parties of her three children in Donegal and can be found indulging her passion for vertical self-propulsion long after the kids have gone.
Among the topics are wetting of surfaces: the contact angle, capillary interactions between particles: particles placed on liquid surfaces: the elasticity of liquid surfaces covered by colloidal particles, oscillation of droplets, the evaporation of droplets: the Kelvin effect and the coffee-stain effect, superhydrophobicity and superoleophobicity: the Wenzel and Cassie wetting regimes, and the Leidenfrost effect: liquid marbles and self-propulsion. ([umlaut] Ringgold, Inc., Portland, OR)
Abstract: Components with self-propelling abilities are important building blocks of small autonomous systems, and the characteristics of liquid metals are capable of fulfilling self-propulsion criteria.
If it is the craft's lack of self-propulsion, then the majority's test is unfaithful to our longstanding precedents.