1890 Quadriplicate, a. and n., same as quadruplicate.
1938 29 Aug. 4/3 This lease agreement, executed this——day of——, 1938, in quadriplicate, by and between the University of North Dakota [etc.].
1996 93 11833/2 The proliferation of the indicated cells was determined by direct cell counting..in quadriplicate 4 days after seeding.