vari-
(Latin: different, diversity, change, changing)
Believed by some etymologists to be from varus, "bent, knock-kneed; to bend, to turn, to twist".
variable-pitch propeller
A propeller in which the angle of the propeller blades can be adjusted to suit different flight conditions while maintaining the same engine speed.
variable-speed
Describing a wind turbine in which the rotor speed increases and decreases with changing wind speed, producing electricity with a fluctuating level of power and voltage.
Contrasted with a fixed-speed turbine, which has a virtually constant rotor speed; typically a 1-2% variation.
variable-torque load
A load that requires low torque at low speeds and increasing torque as the speed is increased, with very high torque being required at high speeds.
variably
variance
variant
variation
variation
variative
variatively
variator
varicolor
varicolored
varied
variedly
Inter-related cross references, directly or indirectly, involving word units meaning "another, other, different, alternating, varied, changing":
ali-;
allo-;
alter-;
allelo-;
hetero-;
mut-;
poikilo-;
reciproc-.
Subscribe to this FREE Focusing on Words Newsletter