Duplicate proportion
duplicate du"pli*cate, a. [L. duplicatus, p. p. of duplicare to double, fr. duplex double, twofold. See {Duplex}.] Double; twofold. [1913 Webster]

{Duplicate proportion} or {Duplicate ratio} (Math.), the proportion or ratio of squares. Thus, in geometrical proportion, the first term to the third is said to be in a duplicate ratio of the first to the second, or as its square is to the square of the second. Thus, in 2, 4, 8, 16, the ratio of 2 to 8 is a duplicate of that of 2 to 4, or as the square of 2 is to the square of 4. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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• duplicate — du pli*cate, a. [L. duplicatus, p. p. of duplicare to double, fr. duplex double, twofold. See {Duplex}.] Double; twofold. [1913 Webster] {Duplicate proportion} or {Duplicate ratio} (Math.), the proportion or ratio of squares. Thus, in geometrical …   The Collaborative International Dictionary of English

• Duplicate ratio — duplicate du pli*cate, a. [L. duplicatus, p. p. of duplicare to double, fr. duplex double, twofold. See {Duplex}.] Double; twofold. [1913 Webster] {Duplicate proportion} or {Duplicate ratio} (Math.), the proportion or ratio of squares. Thus, in… …   The Collaborative International Dictionary of English

• duplicate — adj., n., & v. adj. 1 exactly like something already existing; copied (esp. in large numbers). 2 a having two corresponding parts. b existing in two examples; paired. c twice as large or many; doubled. n. 1 a one of two identical things, esp. a… …   Useful english dictionary

• Duplicate ratio — Ratio Ra ti*o (r[=a] sh[i^]*[ o] or r[=a] sh[ o]), n. [L., fr. reri, ratus, to reckon, believe, think, judge. See {Reason}.] 1. (Math.) The relation which one quantity or magnitude has to another of the same kind. It is expressed by the quotient… …   The Collaborative International Dictionary of English

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