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mean free path
(physics) the average distance travelled between two similar events; especially by molecules in a gas or liquid, electrons or phonons in a crystal or neutrons in a moderator
arithmetic-geometric mean
(mathematics) A mean of two numbers which is the common limit of a pair of sequences, whose terms are defined by taking the arithmetic and geometric means of the previous pair of terms.
mean absolute deviations
mean absolute deviation
(statistics) In a set of data, the average of the absolute values of the deviations from a chosen central point.
arithmetic-geometric means
mean free paths
plural of mean free path
root mean squares
plural of root mean square
self-referential meanings
brake mean effective pressure
The average (mean) pressure which, if imposed on the pistons uniformly from the top to the bottom of each power stroke, would produce the measured (brake) power output.
mean distance between failure
(rail transport, road transport) A measure of reliability that expresses the average distance travelled by a type of lorry, bus, rolling stock, etc, before preventative or reparative maintenance is required.
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