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noun
1.
the influence of a particular feeling, mental state, etc.: to act under a generous impulse; to strike out at someone from an angry impulse.
2.
sudden, involuntary inclination prompting to action: to be swayed by impulse.
3.
an instance of this.
4.
EXPANDa psychic drive or instinctual urge.
6.
the effect of an impelling force; motion induced; impetus given.
7.
Physiology. a progressive wave of excitation over a nerve or muscle fiber, having either a stimulating or inhibitory effect.
8.
Mechanics. the product of the average force acting upon a body and the time during which it acts, equivalent to the change in the momentum of the body produced by such a force.
9.
COLLAPSEElectricity. a single, usually sudden, flow of current in one direction.
adjective
10.
marked by or acting on impulse: an impulse buyer.
11.
bought or acquired on impulse: To reduce expenses, shun impulse items when shopping.
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Impulses
is always a great word to know.
So is doohickey. Does it mean:
| a stew of meat, vegetables, potatoes, etc. |
| a gadget; dingus; thingumbob. |
Origin:
1640–50; < Latin impulsus pressure, impulse, equivalent to im- im-1 + pul- (variant stem of pellere to push) + -sus, variant of -tus suffix of v. action
1640–50; < Latin impulsus pressure, impulse, equivalent to im- im-1 + pul- (variant stem of pellere to push) + -sus, variant of -tus suffix of v. action
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To impulses
Etymonline
Word Origin & History
impulse
early 15c., "an act of impelling, a thrust, push," from L. impulsus "a push against, pressure, shock," also "incitement, instigation," pp. of impellere (see impel). Meaning "stimulus in the mind arising from some state or feeling" first recorded 1640s.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
impulse im·pulse (ĭm'pŭls')
n.
A sudden pushing or driving force.
A sudden wish or urge that prompts an unpremeditated act or feeling; an abrupt inclination.
The electrochemical transmission of a signal along a nerve fiber that produces an excitatory or inhibitory response at a target tissue.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
impulse  (ĭm'pŭls') Pronunciation Key
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The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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