pulsation
American Heritage Dictionary:
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pul·sa·tion
(pŭl-sā'shən) 
n.
n.
- The act of pulsating.
- A single beat, throb, or vibration.
Roget's Thesaurus:
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pulsation
noun
- A periodic contraction or sound of something coursing: beat, palpitation, pulse, throb. See repetition, sounds/pleasant sounds/unpleasant sounds/neutral sounds or silence.
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In a furnace, the panting of the flames; an indication of rapid, cyclical changes of pressure in the furnace.
American Heritage Stedman's Medical Dictionary:
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pul·sa·tion
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Copyrights:
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.
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Roget's Thesaurus
Roget's II: The New Thesaurus, Third Edition by the Editors of the American Heritage® Dictionary Copyright © 1995 byHoughton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
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McGraw-Hill Dictionary of Architecture & Construction
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc. All rights reserved.
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