Definition of index

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Index (n.) The figure or letter which shows the power or root of a quantity; the exponent.

Lern More About Index

Inverse :: Inverse (a.) 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 whose sine is x..
Escutcheon :: Escutcheon (n.) A marking upon the back of a cow's udder and the space above it (the perineum), formed by the hair growing upward or outward instead of downward. It is esteemed an index of milking qualities..
Gnomon :: Gnomon (n.) The index of the hour circle of a globe.
Trapezoid :: Trapezoid (n.) A bone of the carpus at the base of the second metacarpal, or index finger..
Deadbeat :: Deadbeat (a.) Making a beat without recoil; giving indications by a single beat or excursion; -- said of galvanometers and other instruments in which the needle or index moves to the extent of its deflection and stops with little or no further oscillation.
Orthognathous :: Orthognathous (a.) Having the front of the head, or the skull, nearly perpendicular, not retreating backwards above the jaws; -- opposed to prognathous. See Gnathic index, under Gnathic..
Regulator :: Regulator (n.) A contrivance for regulating and controlling motion, as: (a) The lever or index in a watch, which controls the effective length of the hairspring, and thus regulates the vibrations of the balance. (b) The governor of a steam engine. (c) A valve for controlling the admission of steam to the steam chest, in a locomotive..
Anemoscope :: Anemoscope (n.) An instrument which shows the direction of the wind; a wind vane; a weathercock; -- usually applied to a contrivance consisting of a vane above, connected in the building with a dial or index with pointers to show the changes of the wind..
Indexing :: Indexing (p. pr. & vb. n.) of Inde.
Concordance :: Concordance (n.) An alphabetical verbal index showing the places in the text of a book where each principal word may be found, with its immediate context in each place..
Prognathous :: Prognathous (a.) Having the jaws projecting beyond the upper part of the face; -- opposed to orthognathous. See Gnathic index, under Gnathic..
Hygrodeik :: Hygrodeik (n.) A form of hygrometer having wet and dry bulb thermometers, with an adjustable index showing directly the percentage of moisture in the air, etc..
Mesognathous :: Mesognathous (a.) Having the jaws slightly projecting; between prognathous and orthognathous. See Gnathic index, under Gnathic..
Stigma :: Stigma (v. t.) A point so connected by any law whatever with another point, called an index, that as the index moves in any manner in a plane the first point or stigma moves in a determinate way in the same plane..
Repertory :: Repertory (n.) A place in which things are disposed in an orderly manner, so that they can be easily found, as the index of a book, a commonplace book, or the like..
Pedometer :: Pedometer (n.) An instrument for including the number of steps in walking, and so ascertaining the distance passed over. It is usually in the form of a watch; an oscillating weight by the motion of the body causes the index to advance a certain distance at each step..
Indexically :: Indexically (adv.) In the manner of an index.
Indexer :: Indexer (n.) One who makes an index.
Index :: Index (n.) A table for facilitating reference to topics, names, and the like, in a book; -- usually alphabetical in arrangement, and printed at the end of the volume..
Index :: Index (v. t.) To provide with an index or table of references; to put into an index; as, to index a book, or its contents..
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