poise

noun

1.
a cgs unit of dynamic viscosity equal to one dyne-second per square centimeter; the viscosity of a fluid in which a force of one dyne per square centimeter maintains a velocity of 1 centimeter per second
2.
a state of being balanced in a stable equilibrium
Derived from:
poise
3.
great coolness and composure under strain
aplomb assuredness cool sang-froid
Derived from:
poise