Duplicate ratio

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 of the division of the first by the second; thus, the ratio of 3 to 6 is expressed by 3/6 or 1/2; of a to b by a/b; or (less commonly) the second term is made the dividend; as, a:b = b/a. [1913 Webster]

Note: Some writers consider ratio as the quotient itself, making ratio equivalent to a number. [1913 Webster] The term ratio is also sometimes applied to the difference of two quantities as well as to their quotient, in which case the former is called arithmetical ratio, the latter, geometrical ratio. The name ratio is sometimes given to the rule of three in arithmetic. See under {Rule}. [1913 Webster]

2. Hence, fixed relation of number, quantity, or degree; rate; proportion; as, the ratio of representation in Congress. [1913 Webster]

{Compound ratio}, {Duplicate ratio}, {Inverse ratio}, etc. See under {Compound}, {Duplicate}, etc.

{Ratio of a geometrical progression}, the constant quantity by which each term is multiplied to produce the succeeding one. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • 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 ratio — noun Ratio of the squares of the quantities • • • Main Entry: ↑duplicate …   Useful english dictionary

  • 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 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… …   The Collaborative International Dictionary of English

  • 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 of the …   The Collaborative International Dictionary of English

  • Ratio of a geometrical progression — 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

  • Ratio — This article is about the mathematical concept. For the Swedish institute, see Ratio Institute. For the academic journal, see Ratio (journal). For the philosophical concept, see Reason. For the legal concept, see Ratio decidendi. The ratio of… …   Wikipedia

  • 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

  • Compound 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

  • Inverse 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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