a. [f. CO- 2 + EXTENSIVE.] Extending over the same space or time; of equal extension; coinciding in limits.
1771. Burke, Corr. (1844), I. 305. My public conduct, co-extensive with my largest relation, must be my glory or my shame.
1786–9. Bentham, Wks., II. 540. Coextensive to dominion is jurisdiction.
1861. Goschen, For. Exch., 55. The fluctuations in long bills … are co-extensive with the fluctuations in the value of money.
b. Logic. Having the same logical extension.
1870. Bowen, Logic, iv. 93. Reciprocating, Convertible, or Coextensive Concepts are those which have precisely the same Extension.
c. as sb. That which is coextensive.
1858. Ld. R. Cecil, in Oxford Ess., 62. Assuming that representation and taxation ought to be co-extensives.
So Coextensively adv.; Coextensiveness.
1882–3. Schaff, Encycl. Relig. Knowl., I. 580. That the Spirit of God operates as co-extensively as Christ has made the atonement.
1679. Oates, Serm. St. Michaels, 24. The coextensiveness of the grace of God in his Son Jesus.
c. 1830. Bentham, Justice & Codific. Petit., Wks. V. 639/1. A remedy so approaching to co-extensiveness with the disorder.
