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单词 propeller
释义

propeller

[ pruh-pel-er ]
/ prəˈpɛl ər /
SEE SYNONYMS FOR propeller ON THESAURUS.COM

noun

a device having a revolving hub with radiating blades, for propelling an airplane, ship, etc.
a person or thing that propels.
the bladed rotor of a pump that drives the fluid axially.
a wind-driven, usually three-bladed, device that provides mechanical energy, as for driving an electric alternator in wind plants.

Origin of propeller

First recorded in 1770–80; propel + -er1

Words nearby propeller

pro patria, Propecia, propel, propellant, propellent, propeller, propeller head, propeller horsepower, propeller shaft, propeller wash, propelling pencil
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for propeller

British Dictionary definitions for propeller

propeller
/ (prəˈpɛlə) /

noun

a device having blades radiating from a central hub that is rotated to produce thrust to propel a ship, aircraft, etc
a person or thing that propels
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for propeller

propeller
[ prə-pĕlər ]

A device consisting of a set of two or more twisted, airfoil-shaped blades mounted around a shaft and spun to provide propulsion of a vehicle through water or air, or to cause fluid flow, as in a pump. The lift generated by the spinning blades provides the force that propels the vehicle or the fluid-the lift does not have to result in an actual upward force; its direction is simply parallel to the rotating shaft.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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