Clocking of time at intervals in races or workouts.

a race's internal time splits, measured at regular intervals such as a furlong

Intermediate times recorded in a race. For example, "quarter time" is the recorded after the first quarter-mile, not the first 25% of the race.

the radiotherapy dose is divided into a number of smaller doses (known as fractions) to reduce the risk of side effects. There is normally one fraction per day. See also: Hyperfractionated-Radiotherapy See also: Radiotherapy-Field

The result of the differential extraction; separating sperm cells from all other DNA material.