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Word Meanings - VELOCITY - Book Publishers vocabulary database

Rate of motion; the relation of motion to time, measured by the number of units of space passed over by a moving body or point in a unit of time, usually the number of feet passed over in a second. See the Note under Speed. Angular velocity. See

Additional info about word: VELOCITY

Rate of motion; the relation of motion to time, measured by the number of units of space passed over by a moving body or point in a unit of time, usually the number of feet passed over in a second. See the Note under Speed. Angular velocity. See under Angular. -- Initial velocity, the velocity of a moving body at starting; especially, the velocity of a projectile as it leaves the mouth of a firearm from which it is discharged. -- Relative velocity, the velocity with which a body approaches or recedes from another body, whether both are moving or only one. -- Uniform velocity, velocity in which the same number of units of space are described in each successive unit of time. -- Variable velocity, velocity in which the space described varies from instant, either increasing or decreasing; -- in the former case called accelerated velocity, in the latter, retarded velocity; the acceleration or retardation itself being also either uniform or variable. -- Virtual velocity. See under Virtual. Note: In variable velocity, the velocity, strictly, at any given instant, is the rate of motion at that instant, and is expressed by the units of space, which, if the velocity at that instant were continued uniform during a unit of time, would be described in the unit of time; thus, the velocity of a falling body at a given instant is the number of feet which, if the motion which the body has at that instant were continued uniformly for one second, it would pass through in the second. The scientific sense of velocity differs from the popular sense in being applied to all rates of motion, however slow, while the latter implies more or less rapidity or quickness of motion. Syn. -- Swiftness; celerity; rapidity; fleetness; speed. (more info) ocis, swift, quick; perhaps akin to v to fly : cf. F. 1. Quickness of motion; swiftness; speed; celerity; rapidity; as, the velocity of wind; the velocity of a planet or comet in its orbit or course; the velocity of a cannon ball; the velocity of light. Note: In such phrases, velocity is more generally used than celerity. We apply celerity to animals; as, a horse or an ostrich runs with celerity; but bodies moving in the air or in ethereal space move with greater or less velocity, not celerity. This usage is arbitrary, and perhaps not universal.

Possible synonyms: (Same meaning words of VELOCITY)

Related words: (words related to VELOCITY)

  • SPECTACLE
    An optical instrument consisting of two lenses set in a light frame, and worn to assist sight, to obviate some defect in the organs of vision, or to shield the eyes from bright light. 4. pl. (more info) 1. Something exhibited to view; usually,
  • SPERMATOCYTE
    See SPERMOBLAST
  • SPECIFICNESS
    The quality or state of being specific.
  • SPERMATIC
    Of or pertaining to semen; as, the spermatic fluid, the spermatic vessels, etc. Spermatic cord , the cord which suspends the testicle within the scrotum. It is made up of a connective tissue sheath inclosing the spermatic duct and accompanying
  • SPERMATICAL
    Spermatic.
  • SPECTROGRAPH
    An apparatus for photographing or mapping a spectrum. A photograph or picture of a spectrum. -- Spec`tro*graph"ic , a. --Spec`tro*graph"ic*al*ly , adv. --Spec*trog"ra*phy , n.
  • SPECK
    The blubber of whales or other marine mammals; also, the fat of the hippopotamus. Speck falls , falls or ropes rove through blocks for hoisting the blubber and bone of whales on board a whaling vessel.
  • SPECTATORSHIP
    1. The office or quality of a spectator. Addison. 2. The act of beholding. Shak.
  • SPECE
    Species; kind. Chaucer.
  • SPEECHLESS
    1. Destitute or deprived of the faculty of speech. 2. Not speaking for a time; dumb; mute; silent. Speechless with wonder, and half dead with fear. Addison. -- Speech"less*ly, adv. -- Speech"less*ness, n.
  • SPENDTHRIFT
    One who spends money profusely or improvidently; a prodigal; one who lavishes or wastes his estate. Also used figuratively. A woman who was a generous spendthrift of life. Mrs. R. H. Davis.
  • SPEED COUNTER
    A device for automatically counting the revolutions or pulsations of an engine or other machine; -- called also simply counter.
  • SPENCE
    despendre to spend, distribute, L. dispendere, dispensum. See 1. A place where provisions are kept; a buttery; a larder; a pantry. Chiefly Brit. dial. In . . . his spence, or "pantry" were hung the carcasses of a sheep or ewe, and two cows lately
  • SPERMATOZOOID
    A spermatozoid.
  • SPERGE
    A charge of wash for the still. Knight.
  • SPERMOPHYTE
    Any plant which produces true seeds; -- a term recently proposed to replace phænogam.
  • SPENDER
    One who spends; esp., one who spends lavishly; a prodigal; a spendthrift.
  • SPEEDINESS
    The quality or state of being speedy.
  • SPERMISM
    The theory, formerly held by many, that the sperm or spermatozoön contains the germ of the future embryo; animalculism.
  • SPERRYLITE
    An arsenide of platinum occuring in grains and minute isometric crystals of tin-white color. It is found near Sudbury, Ontario Canada, and is the only known compound of platinum occuring in nature.
  • ASPER
    Rough; rugged; harsh; bitter; stern; fierce. "An asper sound." Bacon.
  • ANGIOMONOSPERMOUS
    Producing one seed only in a seed pod.
  • DISPENSE
    1. To deal out in portions; to distribute; to give; as, the steward dispenses provisions according directions; Nature dispenses her bounties; to dispense medicines. He is delighted to dispense a share of it to all the company. Sir W. Scott. 2.
  • MISPENSE
    See HALL
  • OOSPERM; OOESPERM
    The ovum, after fusion with the spermatozoön in impregnation. Balfour.
  • INDISPENSABLENESS
    The state or quality of being indispensable, or absolutely necessary. S. Clarke.
  • SUSPENSORY
    Of or pertaining to a suspensorium. (more info) 1. Suspended; hanging; depending. 2. Fitted or serving to suspend; suspending; as, a suspensory muscle. Ray.
  • DISPERSION
    The separation of light into its different colored rays, arising from their different refrangibilities. Dispersion of the optic axes , the separation of the optic axes in biaxial crystals, due to the fact that the axial angle has different values
  • JASPERATED
    mixed with jasper; containing particles of jasper; as, jasperated agate.
  • DISRESPECTABILITY
    Want of respectability. Thackeray.
  • CIRCUMSPECTNESS
    Vigilance un guarding against evil from every quarter; caution. forces circumspectness on those abroad, who at home are nursed in security. Sir H. Wotton.
  • DISPENSABLE
    1. Capable of being dispensed or administered. 2. Capable of being dispensed with. Coleridge.
  • TRACHYSPERMOUS
    Rough-seeded. Gray.

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