Dictionary
Thesaurus
Encyclopedia
Translator
Web
Synonyms
Nearby Words

pulleyless

 - 4 dictionary results

pul⋅ley

  [pool-ee]
Use pulleyless in a Sentence
–noun, plural -leys.
1. a wheel, with a grooved rim for carrying a line, that turns in a frame or block and serves to change the direction of or to transmit force, as when one end of the line is pulled to raise a weight at the other end: one of the simple machines.
2. a combination of such wheels in a block, or of such wheels or blocks in a tackle, to increase the force applied.
3. a wheel driven by or driving a belt or the like, used to deliver force to a machine, another belt, etc., at a certain speed and torque.
Origin:
1275–1325; ME poley, puly < MF polie ≪ MGk *polídion little pivot, equiv. to pól(os) pole 2 + -idion dim. suffix

Related forms:
pul⋅ley⋅less, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To pulleyless
Word Origin & History

pulley 
1324, from O.Fr. polie (c.1150), from M.L. poliva, from Medieval Gk. *polidia, pl. of *polidion "little pivot," dim. of Gk. polos "pivot, axis" (see pole (2)).
Online Etymology Dictionary, © 2001 Douglas Harper
Cite This Source
Medical Dictionary

Main Entry: pul·ley
Pronunciation: 'pul-E
Function: noun
: TROCHLEA
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
Cite This Source
Science Dictionary
pulley   (pl'ē)  Pronunciation Key 
A machine consisting of a wheel over which a pulled rope or chain runs to change the direction of the pull used for lifting a load. Combinations of two or more pulleys working together reduce the force needed to lift a load. See also block and tackle.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Search another word or see pulleyless on Thesaurus | Reference
FacebookTwitterFollow us:
Partner Sites:
Ask AnswersEviteExpediaHotelsHotwireLife123LiveDailyMy Way