correlate

i. [Pref.co= con, and Eng. relate (q. v.).] To have a reciprocal relation; to be reciprocally related. with the hair the horns are correlated."-Dar win: Origin of Species (ed. 1859), ch. vi., p. 198. cor-re-lat-ěd, pa . par . & a . [CORRELATE.] cor-re-la-tion, s . [From Eng. correlat( e ), and suff.- ion ; or from Lat., Eng., ., cor , the same as con, and Eng. velation .] Of two or more things : The state of being so related to each other that one cannot be altered without the others also undergoing change. "In monstrosities, the correlations between quite distinct parts are very curious."-Darwin: Origin of Species (ed. 1859), ch. i., p. 11. (1) Correlation of growth: Biol.: (For definition see extract.) "Correlation of growth -I mean by this expre ion that the whole organization is so tied together during its growth and development that when slight variations in any one part occur, and are accumulated through natural selection, other parts become modified."-Darwin: Origin of Species (ed. 1859), ch. v., p. 143. (2) Correlation of the physical forces : Nat. Phil.: The doctrine that all the forces of nature, heat, light, electricity, magnetism, chemical affinity, and motion are convertible into each other. This view was promulgated in 1842 by Mr. Grove, afterward Sir W. Grove, F. R. S. The first edition of his work on the Correlation of the Physical Forces appeared in 1846, the fifth in 1867. The doctrine is now accepted as a postulate in natural philosophy.