sexˈtuplicate, a. and n.
[ad. med.L. sextuplicāt-um, pa. pple. of sextuplicāre: see sextuply v.]
† A. adj. Sixfold. Obs. rare—1.
| 1657 Hobbes Absurd Geom. 10 An infinite row of Arithmetically proportionalls in proportion quadruplicate, quintuplicate, sextuplicate &c. |
B. n. (See quot. 1934.) Also in phr. in sextuplicate, in sixfold quantity, in six copies.
| 1934 Webster, Sextuplicate, n., a sixth thing corresponding to five others of the same kind; an exact copy of something of which five other exact copies exist. 1975 Daily Tel. 1 Aug. 12 Contestants..have been asked to submit their entries in sextuplicate. 1978 Nature 31 Aug. 897/2 (caption) Each column represents the result for one patient, averaging 4 to 10 separate assays (in sextuplicate) per tissue. 1979 Ibid. 29 Mar. 465/1 After pre⁓incubation, the tubes were returned to ice and 3H-5-HT was added in sextuplicate. |