the act of delivering a blow with the foot | a wheeled vehicle that has two wheels and is moved by foot pedals |
a rhythmic thrusting movement of the legs as in swimming or calisthenics | a single complete execution of a periodically repeated phenomenon |
the sudden stimulation provided by strong drink (or certain drugs) | a periodically repeated sequence of events |
informal terms for objecting | a series of poems or songs on the same theme |
the backward jerk of a gun when it is fired | an interval during which a recurring sequence of events occurs |
the swift release of a store of affective force | the unit of frequency; one hertz has a periodic interval of one second (named for Heinrich Rudolph Hertz) |