VACUUM n.
rarefaction, or reduction of pressure below that of the atmosphere, in a vessel, as the condenser of a steam engine, which is nearly exhausted of air or steam, etc.; as, a vacuum of 26 inches of mercury, or 13 pounds per square inch. Vacuum brake, a kind of continuous brake operated by exhausting the air from some app…
VINDICATE v.
e or correct, against denial, censure, or objections; to defend; to justify. When the respondent denies any proposition, the opponent must directly vindicate . . . that proposition. I. Watts. Laugh where we must, be candid where we can, But vindicate the ways of God to man. Pope.