oscillograph

[uh-sil-uh-graf, -grahf]

os·cil·lo·graph

[uh-sil-uh-graf, -grahf]
noun Electricity.
a device for recording the wave-forms of changing currents, voltages, or any other quantity that can be translated into electric energy, as sound waves.

Origin:
1870–75; oscill(ate) + -o- + -graph

os·cil·lo·graph·ic [uh-sil-uh-graf-ik] , adjective
os·cil·log·ra·phy [os-uh-log-ruh-fee] , noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Oscillograph is always a great word to know.
So is gobo. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a chattering or flighty, light-headed person.
Collins
World English Dictionary
oscillograph (ɒˈsɪləˌɡrɑːf, -ˌɡræf)
 
n
a device for producing a graphical record of the variation of an oscillating quantity, such as an electric current
 
oscillographic
 
adj
 
oscillography
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

oscillograph os·cil·lo·graph (ə-sĭl'ə-grāf')
n.
A device that records oscillations, as of an electric current and voltage.


os·cil'lo·graph'ic adj.
os'cil·log'ra·phy (ŏs'ə-lŏg'rə-fē) n.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Britannica
Encyclopedia

oscillograph

instrument for indicating and recording time-varying electrical quantities, such as current and voltage. The two basic forms of the instrument in common use are the electromagnetic oscillograph and the cathode-ray oscillograph; the latter is also known as a cathode-ray oscilloscope (q.v.), which, strictly speaking, is purely an indicating instrument, while the oscillograph can make permanent records.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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