Inverse ratio

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 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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  • Inverse ratio — Inverse In*verse , a. [L. inversus, p. p. of invertere: cf. F. inverse. See {Invert}.] [1913 Webster] 1. Opposite in order, relation, or effect; reversed; inverted; reciprocal; opposed to {direct}. [1913 Webster] 2. (Bot.) Inverted; having a… …   The Collaborative International Dictionary of English

  • inverse ratio — noun : the ratio of the reciprocals of two quantities * * * inverse ratio noun The ratio of reciprocals • • • Main Entry: ↑inverse inverse ratio see under ↑inverse • • • Main Entry: ↑ratio …   Useful english dictionary

  • inverse ratio — atvirkštinis santykis statusas T sritis fizika atitikmenys: angl. inverse ratio; reciprocal ratio vok. umgekehrtes Verhältnis, n rus. обратное отношение, n pranc. rapport inverse, m …   Fizikos terminų žodynas

  • inverse ratio — inverse proportion, relationship between values such that as one increases the other decreases in a proportionate fashion …   English contemporary dictionary

  • inverse ratio — /ɪnvɜs ˈreɪʃioʊ/ (say invers raysheeoh) noun the quotient of the consequent by the antecedent, as 10:5 being 5/10 = ½ …  

  • inverse ratio ventilation — a type of assisted ventilation in which the length of inhalations is artificially increased until it is longer than the length of exhalations; it is believed to improve distribution of ventilation at lower airway inflating pressures and to… …   Medical dictionary

  • Inverse — In*verse , a. [L. inversus, p. p. of invertere: cf. F. inverse. See {Invert}.] [1913 Webster] 1. Opposite in order, relation, or effect; reversed; inverted; reciprocal; opposed to {direct}. [1913 Webster] 2. (Bot.) Inverted; having a position or… …   The Collaborative International Dictionary of English

  • Inverse figures — Inverse In*verse , a. [L. inversus, p. p. of invertere: cf. F. inverse. See {Invert}.] [1913 Webster] 1. Opposite in order, relation, or effect; reversed; inverted; reciprocal; opposed to {direct}. [1913 Webster] 2. (Bot.) Inverted; having a… …   The Collaborative International Dictionary of English

  • Inverse points — Inverse In*verse , a. [L. inversus, p. p. of invertere: cf. F. inverse. See {Invert}.] [1913 Webster] 1. Opposite in order, relation, or effect; reversed; inverted; reciprocal; opposed to {direct}. [1913 Webster] 2. (Bot.) Inverted; having a… …   The Collaborative International Dictionary of English

  • Inverse proportion — Inverse In*verse , a. [L. inversus, p. p. of invertere: cf. F. inverse. See {Invert}.] [1913 Webster] 1. Opposite in order, relation, or effect; reversed; inverted; reciprocal; opposed to {direct}. [1913 Webster] 2. (Bot.) Inverted; having a… …   The Collaborative International Dictionary of English

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