A filter of trapezoidal shape specified by four corner frequencies, f1 through f4. The filter rejects below f1 and above f4, is linear from f1 to f2 and from f3 to f4, and is flat from f2 to f3.

(organic chemistry, especially in combination) A univalent radical derived from the ribose part of deoxyuridine by loss of a hydroxyl group

plural of appellee

Synonym of God bless you