poise1
¦ noun
1. graceful and elegant bearing.
composure and dignity of manner.
2. archaic balance; equilibrium.
¦ verb
1. be or cause to be balanced or suspended.
2. [as adjective poised] composed and elegant or self-assured.
3. (be poised to do something) be ready and prepared to do something.
Origin
ME (in the sense 'weight'): from OFr. pois, peis (n.), peser (v.), from an alt. of L. pensum 'weight'.
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poise2
(abbrev.: P)
¦ noun Physics a unit of dynamic viscosity, such that a tangential force of one dyne per square centimetre causes a velocity change of one centimetre per second between two parallel planes separated by one centimetre in a liquid.
Origin
early 20th cent.: from the name of Jean L. M. Poiseuille (1799-1869), French physician.