• WordNet 3.6
    • n propulsion the act of propelling
    • n propulsion a propelling force
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: Cornelius van Drebel, a Dutch physician, built and successfully demonstrated the first submarine in 1620. It was a wooden framework covered with greased leather. The propulsion was provided by oars worked from the inside. It was tested in the Thames River in London.
    • Propulsion An impelling act or movement. "God works in all things; all obey
      His first propulsion ."
    • Propulsion The act driving forward or away; the act or process of propelling; as, steam propulsion .
    • ***
Century Dictionary and Cyclopedia
    • n propulsion The act of propelling or driving forward; impulse given.
    • n propulsion In pathology, same as paralysis festinans.
    • ***
Chambers's Twentieth Century Dictionary
    • n Propulsion prō-pul′shun act of propelling: a driving forward
    • ***


Webster's Revised Unabridged Dictionary
Cf. F. propulsion,. See Propel
Chambers's Twentieth Century Dictionary
Low L. propulsio—L. propellĕre, propulsum, to push forward.


In literature:

This is the favorite fallacy of the advocates of hydraulic propulsion.
"Scientific American Supplement, No. 561, October 2, 1886" by Various
It was a purely instinctive propulsion.
"Poor Man's Rock" by Bertrand W. Sinclair
But how is this remarkable propulsive machine made to perform its functions?
"Lay Sermons, Addresses and Reviews" by Thomas Henry Huxley
How can it evolve without a propulsive force behind it?
"Fashionable Philosophy and Other Sketches" by Laurence Oliphant
The early ships had no mode of self-propulsion, but the modern ones are being provided with their own power.
"Artificial Light" by M. Luckiesh
Lockley even knew its designation, and that it used the new solid fuels for propulsion.
"Operation Terror" by William Fitzgerald Jenkins
The Connies lit their propulsion tubes and drove feet first for the asteroid.
"Rip Foster in Ride the Gray Planet" by Harold Leland Goodwin
As her engine was disabled, she had no means of propulsion with which she could help herself.
"Within The Enemy's Lines" by Oliver Optic
Of such incredible mass and with no visible or detectable means of support or of propulsion.
"The Galaxy Primes" by Edward Elmer Smith
Under the united propulsion of three men and a large Newfoundland dog, the small raft moved shoreward with no insignificant speed.
"Adrift in the Wilds" by Edward S. Ellis

In news:

The Office Of Naval Research awarded $9.2 million to General Dynamics Bath Iron Works to design and manufacture an advanced propulsion system for a technical demonstration vessel.
The shuttle Endeavour flies over the Jet Propulsion Laboratory in La Cañada Flintridge.
The Jet Propulsion Lab Is Way Weirder (and Awesomer) Than You Even Imagined.
Chinese hackers took over NASA's Jet Propulsion Lab, Inspector General reveals.
The Quest for Propulsion .
Propulsion research goes into hyperdrive.
ABB won marine orders worth $35 million to provide power, propulsion, drive systems to provide top operating reliability, efficiency for new deep sea drill ships.
Wärtsilä Wins Brazil Liftboat Genset & Propulsion Orders.
A spinning web of electrified wire 30 miles wide may become the spacecraft propulsion system of the future.
Jet Propulsion Laboratory "rocket boys," engineer Herman Bank had already helped launch the Space Age when wobbly surfboards strapped atop his station wagon in the early 1960s led him to another design frontier.
' Vengeance ' by Benjamin Black, pseudonym of John Banville, has a propulsive style but is missing tension.
A Plasma rocket might be the propulsion technology that sends humans to Mars.
Wartsila Diesel's reputation as a high quality propulsion supplier is not new to anyone experienced in the maritime industry.
Pods are devices which combine both propulsive and steering functions in one device.
Entrants are given three choices of propulsion for participating in the event: bike, foot or skis .

In science:

We gratefully acknowledge the support of personnel at the Jet Propulsion Laboratory, W.M.
Dynamical Masses for Low-Mass Pre-Main Sequence Stars: A Preliminary Physical Orbit for HD 98800 B
These TOAs were corrected to the solar system barycenter using the Jet Propulsion Laboratory DE200 solar system ephemeris (Standish 1982), analyzed using the standard TEMPO software package12, and transmitted to the VLBA correlator for use in the correlation.
Precision Astrometry with the Very Long Baseline Array: Parallaxes and Proper Motions for 14 Pulsars
This data was obtained from information gathered by the Jet Propulsion Laboratories (JPL), and the Deep Space Network (DSN).
The quantum vacuum, fractal geometry, and the quest for a new theory of gravity
Field Electric Emission Propulsion (FEEP) ion thrusters or colloidal thrusters are used to control the residual acceleration down to 10−10 m/s2 in the signal bandwidth.
General Relativity in Space and Sensitive Tests of the Equivalence Principle
The LATOR spacecraft, like most spacecraft, will be composed of the following subsystems: thermal, structural, attitude control, power, command and data handling, telecommunications, and propulsion, that will be discussed below.
Science, Technology and Mission Design for the Laser Astrometric Test Of Relativity