strobe-light

Dictionary.com Unabridged

stroboscope

[stroh-buh-skohp, strob-uh-]
noun
1.
a device for studying the motion of a body, especially a body in rapid revolution or vibration, by making the motion appear to slow down or stop, as by periodically illuminating the body or viewing it through widely spaced openings in a revolving disk.
2.
Photography.
a.
Also called strobe, strobe light, stroboscopic lamp. a lamp capable of producing an extremely short, brilliant burst of light, for synchronization with a camera having a high shutter speed, in order to photograph a rapidly moving object, as a bullet, for such a short duration that it will appear to be standing still.
b.
the device and equipment for holding and firing such a lamp.
3.
such a lamp used for creating special lighting effects, as in a theater or discotheque or at a rock concert.

Origin:
1830–40; < Greek stróbo(s) action of whirling + -scope

stroboscopic [stroh-buh-skop-ik, strob-uh-] , stroboscopical, adjective
stroboscopy [struh-bos-kuh-pee] , noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
strobe (strəʊb)
 
n
1.  strobe lighting short for stroboscope
 
vb
2.  to give the appearance of arrested or slow motion by using intermittent illumination

stroboscope (ˈstrəʊbəˌskəʊp)
 
n
1.  Sometimes shortened to: strobe an instrument producing a flashing light, the frequency of which can be synchronized with some multiple of the frequency of rotation, vibration, or operation of an object, etc, making it appear stationary. It is used to determine speeds of rotation or vibration, or to adjust objects or parts
2.  a similar device synchronized with the opening of the shutter of a camera so that a series of still photographs can be taken of a moving object
 
[C19: from strobo-, from Greek strobos a twisting, whirling + -scope]
 
stroboscopic
 
adj
 
strobo'scopical
 
adj
 
strobo'scopically
 
adv

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

strobe
1942, shortening of stroboscope "instrument for studying motion by periodically interrupted light" (1896), from Gk. strobos "act of whirling" + -scope, from Gk. skopein "to look at, examine."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
strobe   (strōb)  Pronunciation Key 
  1. A strobe light.

  2. A stroboscope.

  3. A spot of higher than normal intensity in the sweep of an indicator on a scanning device, as on a radar screen, used as a reference mark for determining the position or distance of the object scanned or detected.


stroboscope   (strō'bə-skōp')  Pronunciation Key 
Any of various instruments used to observe moving objects by making them appear stationary, especially with pulsed illumination or mechanical devices that intermittently interrupt observation.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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