(computing) The transmission speed of a communications channel; measured in bits or bytes per second.

(meteorology) The rate of decrease of temperature with height of a parcel of dry air lifted upward through the atmosphere with no addition or deletion of heat.

(aviation) An aircraft instrument that provides an indication of the vertical change in position.

(aviation) An instrument installed in an aircraft that indicates the rate at which the aircraft is gaining or losing altitude.

(medicine) The incidence rate of a particular disease in a population if that population had a standard age structure.

(finance) A contract to exchange the benefit of one interest rate with another. Often a fixed interest rate is exchanged for a variable rate so as to allow one party to remove an exposure to a variable rate for which they pay a premium on the fixed rate in order to compensate for this 'insurance'. The two rates can also be based on different currencies.

(physiology) The amount of energy expended while at rest in a neutrally temperate environment, in the post-absorptive state.

plural of basal metabolic rate

the air kerma per unit time.

(management, operations) The percentage of the capacity of a device or system that is being used productively.