boost

boost

the amount by which the induction pressure of a supercharged internal-combustion engine exceeds that of the ambient pressure

Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

boost

[büst]

(aerospace engineering)

An auxiliary means of propulsion such as by a booster.

To supercharge.

To launch or push along during a portion of a flight.

boost pressure

(electronics)

To augment in relative intensity, as to boost the bass response in an audio system.

(engineering)

To bring about a more potent explosion of the main charge of an explosive by using an additional charge to set it off.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

boost

i. Any temporary augmentation of thrust or power given to a flying vehicle during takeoff, climb or other part of its flight, as with booster rocket or by means of RATO rocket-assisted takeoff (RATO).
ii. Excess pressure, over and above a datum (usually one bar), in the induction manifold of a piston engine. This may be positive or negative.
iii. To supercharge or turbocharge an engine.

An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved