Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
a method of propelling airplanes, boats, etc. that uses the reaction force created when compressed outside air and hot exhaust gases are forced through a jet nozzle
Used by arrangement with John Wiley & Sons, Inc.
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Propulsion derived from the rearward expulsion of matter in a jet stream, especially propulsion by jet engines.
jet propulsion - Science Definition
The American Heritage® Science Dictionary
- The driving of an aircraft by the powerful thrust developed when a jet of gas is forced out of a jet engine.
- Propulsion by means of any fluid that is forced out in a stream in the opposite direction. Squids, octopuses, and cuttlefish, for example, jet their way through the ocean by taking in and then quickly expelling water.
Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.