oscillate

[os-uh-leyt]
verb (used without object), oscillated, oscillating.
1.
to swing or move to and fro, as a pendulum does.
2.
to vary or vacillate between differing beliefs, opinions, conditions, etc.: He oscillates regularly between elation and despair.
3.
Physics. to have, produce, or generate oscillations.
4.
Mathematics. (of a function, sequence, etc.) to tend to no limit, including infinity: The sequence 0, 1, 0, 1, … oscillates.
verb (used with object), oscillated, oscillating.
5.
to cause to move to and fro; vibrate.

Origin:
1720–30; < Latin oscillātus (past participle of oscillāre to swing, ride on a swing), equivalent to oscill(um) a swing + -ātus -ate1

interoscillate, verb, interoscillated, interoscillating.
unoscillating, adjective

oscillate, osculate.


1. See swing1. 2. fluctuate, waver.
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World English Dictionary
oscillate (ˈɒsɪˌleɪt)
 
vb
1.  (intr) to move or swing from side to side regularly
2.  (intr) to waver between opinions, courses of action, etc
3.  physics to undergo or produce or cause to undergo or produce oscillation
 
[C18: from Latin oscillāre to swing, from oscillum a swing]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

oscillate
1726, from L. oscillat-, pp. stem of oscillare (see oscillation). 1917 in electronics. Related: Oscillated; oscillating.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

oscillate os·cil·late (ŏs'ə-lāt')
v. os·cil·lat·ed, os·cil·lat·ing, os·cil·lates

  1. To swing back and forth with a steady, uninterrupted rhythm.

  2. To vary between alternate extremes, usually within a definable period of time.


os'cil·la'tor n.
os'cil·la·to'ry (-lə-tôr'ē) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
Phase-change materials store or release heat as they oscillate between solid and liquid form.
They are no doubt interested in how many neutrinos oscillate and how often.
The grains should twist them, changing the direction in which they oscillate so
  that they arrive with the same polarization.
They don't have fans to disperse the warmth, but some models oscillate.
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