See Also: Acceleration(medicine)
acceleration(encyclopedia)
acceleration(dictionary)
acceleration(dictionary)
radial acceleration(medicine)
Acceleration Clause(money)
linear acceleration(medicine)
Acceleration clause(finance)
angular acceleration(medicine)
acceleration phase(medicine)

perigynium (iou) and acceleration (oh)


perigynium (iou)



perigynium noun. . E19.
[mod. Latin, formed as PERI- + Greek gune woman (used for 'pistil'): see -IUM.]
Botany.
The inflated membranous sac surrounding the ovary of a sedge; the utricle. E19.
The modified leaves surrounding the archegonium in mosses; the membrane enclosing the archegonium in some liverworts. M19

acceleration (oh)



[singular, U] a process in which something happens more and more quickly
acceleration in
::an acceleration in the rate of inflation
acceleration of
::the rapid acceleration of economic progress in South East Asia
[U] the rate at which a car or Other vehicle can go faster
::The latest model has excellent acceleration.
[U] technical the rate at which the speed of an object increases