VALVE n.
ed with two faces of nearly equal diameters, one above another, which rest upon two corresponding seats when the valve is closed. -- Equilibrium valve. (a) A balance valve. See under Balance. (b) A valve for permitting air, steam, water, etc., to pass into or out of a chamber so as to establish or maintain equal press…
VINDICATE v.
ue 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.
WASTEWEIR n.
fall, or weir, for the escape, or overflow, of superfluous water from a canal, reservoir, pond, or the like.