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.

(physics) A physical phenomenon in which a change in the magnetic moment of a free body causes the body to rotate, as a consequence of the conservation of angular momentum.

Alternative form of fraternal birth order effect

plural of brake mean effective pressure

The scientific observation that a man's statistical probability of being homosexual increases with the number of older brothers he has.