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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.
( canonical )
( plural )
how do you mean
what do you mean
A request for clarification of an anterior statement or question. / An expression of surprise, annoyance, or disagreement to an anterior statement.
and I don't mean maybe
root mean square velocity
(physics) The root mean square of the velocities of all the molecules in a volume of gas; directly proportional to its temperature in the case of an ideal gas.