poise

1 [poiz]
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), poised, poising.
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), poised, poising.
11.
to rest in equilibrium; be balanced.
12.
to hover, as a bird in the air.

Origin:
1350–1400; (noun) Middle English pois(e) weight < Old French (French poids) < Late Latin pēnsum, noun use of neuter past participle of Latin pendere to weigh; (v.) Middle English poisen to weigh < Old French poiser, variant, based on tonic stem, of peser < Latin pēnsāre, frequentative of pendere


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


1, 3. instability.
Dictionary.com Unabridged

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; < French; namedafter Jean Louis Marie Poiseuille (1799–1869), French physician

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
poise1 (pɔɪz)
 
n
1.  composure or dignity of manner
2.  physical balance or assurance in movement or bearing
3.  the state of being balanced or stable; equilibrium; stability
4.  the position of hovering
5.  suspense or indecision
 
vb
6.  to be or cause to be balanced or suspended
7.  (tr) to hold, as in readiness: to poise a lance
8.  (tr) a rare word for weigh
 
[C16: from Old French pois weight, from Latin pēnsum, from pendere to weigh]

poise2 (pwɑːz, pɔɪz)
 
n
P the cgs unit of viscosity; the viscosity of a fluid in which a tangential force of 1 dyne per square centimetre maintains a difference in velocity of 1 centimetre per second between two parallel planes 1 centimetre apart. It is equivalent to 0.1 newton second per square metre
 
[C20: named after Jean Louis Marie Poiseuille (1799--1869), French physician]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

poise
early 15c., "weight, quality of being heavy," later "significance, importance" (mid-15c.), from O.Fr. pois "weight, balance, consideration," from M.L. pesum "weight," from L. pensum, noun use of neuter pp. of pendere "to weigh" (see pendant). The sense of "steadiness, composure"
first recorded 1640s, from notion of being equally weighted on either side (1550s). The verb is first recorded late 14c., "to have a certain weight," from O.Fr. peser, from V.L. pesare, from L. pensare "to weigh carefully," freq. of pendere (pp. pensus) "to weigh." Passive sense of "to be ready" (to do something) is from 1932.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
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.
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American Heritage
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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Example sentences
Together, the whole is a quite extraordinary feat of structural engineering,
  using poise and balance in place of brute strength.
It's all about finding a balance between heritage and hip, poise and
  playfulness.
No, it was not their colors: it was the poise and balance of the period itself.
You try to give him as much dignity and poise as possible.
Image for poise
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