单词 | subtriplicate |
释义 | subtriplicateadj. Mathematics. 1. Designating the ratio or proportion of the cube roots of two quantities. Now rare.For example, 2 : 3 is the subtriplicate ratio of 8 : 27. ΘΚΠ the world > relative properties > number > ratio or proportion > [adjective] > roots subduplicate1656 subtriplicate1656 sesquiplicate1715 the world > relative properties > number > ratio or proportion > [adjective] > submultiple > particular under-doublec1430 under-doubledc1430 subduple1570 subtriple1570 subduplicate1656 subtriplicate1656 subtriplicate1656 the world > relative properties > number > specific numbers > three > group of three > [adjective] > constituting one third subtriple1570 subtriplicate1656 1656 tr. T. Hobbes Elements Philos. ii. xiii. 121 A Proportion is said to be Divided, when between two quantities are interposed one or more Means in continual Proportion, and then the Proportion of the first to the second is said to be Subduplicate of that of the first to the third, and Subtriplicate of that of the first to the fourth. 1710 J. Harris Lexicon Technicum II Paraboloids, are Paraboliform Curves in Geometry; whose Ordinates are supposed to be in a Subtriplicate, Subquadruplicate, &c. Ratio of their respective Abscissæ. 1782 Philos. Trans. 1781 (Royal Soc.) 71 316 Let us see how near they come to the reciprocal sub-triplicate ratio of their weights. 1859 T. Strong Treat. Elem. & Higher Algebra 200 Either of these equal ratios is a subtriplicate ratio. 1966 Science 23 Dec. 1535/1 Triplicate and subtriplicate ratios are correspondingly defined. ΘΚΠ the world > relative properties > number > ratio or proportion > [adjective] > submultiple > particular under-doublec1430 under-doubledc1430 subduple1570 subtriple1570 subduplicate1656 subtriplicate1656 subtriplicate1656 1656 T. Hobbes Six Lessons iv. 34 in Elements Philos. It is the same fault when men call..a third part Subtriplicate of the whole. This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022). < adj.1656 |
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