counts per minute

(redirected from Disintegrations per minute)
Also found in: Acronyms.

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 ?
Total chitinase activity was expressed as disintegrations per minute per milligram dry matter (dpm [mg.

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