Definition of index

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Index (n.) That which guides, points out, informs, or directs; a pointer or a hand that directs to anything, as the hand of a watch, a movable finger on a gauge, scale, or other graduated instrument. In printing, a sign used to direct particular attention to a note or paragraph; -- called also fist..

Lern More About Index

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..
Indexical :: Indexical (a.) Of, pertaining to, or like, an index; having the form of an index..
Microseme :: Microseme (a.) Having the orbital index relatively small; having the orbits broad transversely; -- opposed to megaseme.
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..
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..
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..
Perambulator :: Perambulator (n.) A surveyor's instrument for measuring distances. It consists of a wheel arranged to roll along over the ground, with an apparatus of clockwork, and a dial plate upon which the distance traveled is shown by an index. See Odometer..
Gnomon :: Gnomon (n.) The index of the hour circle of a globe.
Subscript :: Subscript (a.) Written below or underneath; as, iota subscript. (See under Iota.) Specifically (Math.), said of marks, figures, or letters (suffixes), written below and usually to the right of other letters to distinguish them; as, a, n, 2, in the symbols Xa, An, Y2. See Suffix, n., 2, and Subindex..
Fist :: Fist (n.) the index mark [/], used to direct special attention to the passage which follows..
Table :: Table (n.) A view of the contents of a work; a statement of the principal topics discussed; an index; a syllabus; a synopsis; as, a table of contents..
Exponent :: Exponent (n.) One who, or that which, stands as an index or representative; as, the leader of a party is the exponent of its principles..
Subindicate :: Subindex (n.) A number or mark placed opposite the lower part of a letter or symbol to distinguish the symbol; thus, a0, b1, c2, xn, have 0, 1, 2, and n as subindices..
Megaseme :: Megaseme (a.) Having the orbital index relatively large; having the orbits narrow transversely; -- opposed to microseme.
Index :: Index (n.) That which points out; that which shows, indicates, manifests, or discloses..
Degree :: Degree (n.) State as indicated by sum of exponents; more particularly, the degree of a term is indicated by the sum of the exponents of its literal factors; thus, a2b3c is a term of the sixth degree. The degree of a power, or radical, is denoted by its index, that of an equation by the greatest sum of the exponents of the unknown quantities in any term; thus, ax4 + bx2 = c, and mx2y2 + nyx = p, are both equations of the fourth degree..
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..
Forefinger :: Forefinger (n.) The finger next to the thumb; the index.
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..
Indexes :: Indexes (pl. ) of Inde.
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