Dictionary of automotive terms. 2015.
EGR venturi vacuum amplifier — A device that uses a relatively weak venturi vacuum to control a manifold vacuum signal to operate the EGR valve. Contains a check valve and relief valve that open whenever the venturi vacuum signal is equal to or greater than manifold vacuum … Dictionary of automotive terms
signal amplifier — Any device, such as the booster venturi, that amplifies a vacuum signal … Dictionary of automotive terms
VVA — Acronym for venturi vacuum amplifier … Dictionary of automotive terms
List of retronyms — This is a list of retronyms, which are terms renamed after something similar but newer has come into being.NounsA B; Acoustic guitar : Before the invention of the solid body electric guitar, all guitars amplified the sound of a plucked string… … Wikipedia
