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 position or mode of attachment the reverse of that which is usual. [1913 Webster]

3. (Math.) Opposite in nature and effect; -- said with reference to any two operations, which, when both are performed in succession upon any quantity, reproduce that quantity; as, multiplication is the inverse operation to division. The symbol of an inverse operation is the symbol of the direct operation with -1 as an index. Thus sin-1 x means the arc or angle whose sine is x. [1913 Webster]

{Inverse figures} (Geom.), two figures, such that each point of either figure is inverse to a corresponding point in the order figure.

{Inverse points} (Geom.), two points lying on a line drawn from the center of a fixed circle or sphere, and so related that the product of their distances from the center of the circle or sphere is equal to the square of the radius.

{Inverse ratio}, or {Reciprocal ratio} (Math.), the ratio of the reciprocals of two quantities.

{Inverse proportion}, or {Reciprocal proportion}, an equality between a direct ratio and a reciprocal ratio; thus, 4 : 2 : : 1/3 : 1/6, or 4 : 2 : : 3 : 6, inversely. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • 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

  • 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 …   Australian English dictionary

  • 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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