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poise

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poise

1[poiz] noun, verb, poised, pois⋅ing.
–noun
1. a state of balance or equilibrium, as from equality or equal distribution of weight; equipoise.
2. a dignified, self-confident manner or bearing; composure; self-possession: to show poise in company.
3. steadiness; stability: intellectual poise.
4. suspense or wavering, as between rest and motion or two phases of motion: the poise of the tides.
5. the way of being poised, held, or carried.
6. the state or position of hovering: the poise of a bird in the air.
–verb (used with object)
7. to adjust, hold, or carry in equilibrium; balance evenly.
8. to hold supported or raised, as in position for casting, using, etc.: to poise a spear.
9. to hold or carry in a particular manner: She walked, carefully poising a water jug on her head.
10. Obsolete. to weigh.
–verb (used without object)
11. to rest in equilibrium; be balanced.
12. to hover, as a bird in the air.

Origin:
1350–1400; (n.) ME pois(e) weight < OF (F poids) < LL pēnsum, n. use of neut. ptp. of L pendere to weigh; (v.) ME poisen to weigh < OF poiser, var., based on tonic s., of peser < L pēnsāre, freq. of pendere


2. self-assurance; polish, grace, refinement.


1, 3. instability.

poise

2[pwahz]
–noun Physics.
a centimeter-gram-second unit of viscosity, equal to the viscosity of a fluid in which a stress of one dyne per square centimeter is required to maintain a difference of velocity of one centimeter per second between two parallel planes in the fluid that lie in the direction of flow and are separated by a distance of one centimeter. Symbol: P

Origin:
1910–15; < F; namedafter Jean Louis Marie Poiseuille (1799–1869), French physician
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To poise
poise 1   (poiz)   
v.   poised, pois·ing, pois·es

v.   tr.
To carry or hold in equilibrium; balance.
v.   intr.
To be balanced or held in suspension; hover.
n.  
  1. A state of balance or equilibrium; stability.

  2. Freedom from affectation or embarrassment; composure.

  3. The bearing or deportment of the head or body; mien.

  4. A state or condition of hovering or being suspended.


[Middle English poisen, to balance, weigh, from Old French peser, pois-, from Vulgar Latin *pēsāre, from Latin pēnsāre; see (s)pen- in Indo-European roots.]
poise 2   (poiz; pwäz)   
n.  A centimeter-gram-second unit of dynamic viscosity equal to one dyne-second per square centimeter.

[French, after Jean Louis Marie Poiseuille (1799-1869), French physician and physiologist.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: poise
Pronunciation: 'poiz, 'pwäz
Function: noun
: a cgs unit of viscosity equal to the viscosity of a fluid that would require a shearingforce of one dyne to impart to a one square-centimeter area of an arbitrary layer of the fluid a velocity of one centimeter per second relative to another layer separated from the first by a distanceof one centimeter
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

poise (poiz, pwäz)
n.
A centimeter-gram-second unit of dynamic viscosity equal to one dyne-second per square centimeter.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Science Dictionary
poise   (poiz, pwäz)  Pronunciation Key 
The unit of dynamic viscosity in the centimeter-gram-second system, equal to one dyne-second per square centimeter, or 0.1 pascal-seconds.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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