oscillograph

American Heritage Dictionary:

os·cil·lo·graph

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(ə-sĭl'ə-grăf') pronunciation

n.
A device that records oscillations, as of an electric current and voltage.

[OSCILL(ATION) + -GRAPH.]

oscillographic os·cil'lo·graph'ic adj.
oscillographically os·cil'lo·graph'i·cal·ly adv.
oscillography os'cil·log'ra·phy (ŏs'ə-lŏg'rə-fē) n.

os·cil·lo·graph

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(ə-sĭl'ə-grăf')
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.

Oxford Dictionary of Biochemistry:

oscillograph

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an instrument for producing a graphical record of an oscillating value.

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Wikipedia on Answers.com:

Oscillograph

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Top-Left: Duddell moving-coil oscillograph with mirror in oil bath, Top-Middle: Rotating shutter and moving mirror assembly used with Duddell oscillograph, for placing time-index marks next to the waveform pattern. Top-Right: Moving-film camera for recording the waveform. Bottom: Film recording of sparking across switch contacts, as a high-voltage circuit is disconnected.^[1]^[2]^[3]^[4]

An oscillograph is an instrument for measuring alternating or varying electric current in terms of current and voltage. There are two instruments that are in common use today:

References

^ Hawkins Electrical Guide, Theo. Audel and Co., 2nd ed. 1917, vol. 6, Chapter 63: Wave Form Measurement, p. 1858, Fig. 2607
^ Hawkins Electrical Guide, Theo. Audel and Co., 2nd ed. 1917, vol. 6, Chapter 63: Wave Form Measurement, p. 1855, Fig. 2620
^ Hawkins Electrical Guide, Theo. Audel and Co., 2nd ed. 1917, vol. 6, Chapter 63: Wave Form Measurement, p. 1866, Figs. 2621-2623
^ Hawkins Electrical Guide, Theo. Audel and Co., 2nd ed. 1917, vol. 6, Chapter 63: Wave Form Measurement, p. 1867, Fig. 2625

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American Heritage Dictionary The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved. Read

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Wikipedia on Answers.com This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article Oscillograph. Read