rate(redirected from maximal expiratory flow rate)
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Related to maximal expiratory flow rate: Peak expiratory flow rate
a. a price or charge with reference to a standard or scale
b. (as modifier): a rate card
2. a charge made per unit for a commodity, service, etc.
3. a wage calculated against a unit of time
(science and technology)
The amount of change of some quantity during a time interval divided by the length of the time interval.