Counts per minute | definition of counts per minute by Medical dictionary
counts per minute
Also found in: Dictionary
counts per minute (cpm)
a measure of the rate of ionizing emissions by radioactive substances.
counts per min·ute (cpm) (kownts pĕr mińŭt)
Colloquial expression for number of times something (e.g., heartbeat) happens within a 60-second duration.
References in periodicals archive
LANDAY: What we get is the counts per minute
in stimulated [cells] over counts per minute
in unstimulated [cells] and that creates the formula for calculating SI.
The larger detection arrays-monitor-any radioactivity via a microprocessor that displays alarms on a CRT screen or sends them to a digital or analog meter that records radiation counts per minute
One of the most important contributions of this research was the provision of cut-points for quantifying time spent in MVPA based on the rates of accelerometer activity counts per minute
among persons with MS.
The researchers defined a sedentary bout as any period that lasted 5 or more minutes during which the accelerometer recorded less than 100 counts per minute