Word Meanings - PENDULUM - Book Publishers vocabulary database

A body so suspended from a fixed point as to swing freely to and fro by the alternate action of gravity and momentum. It is used to regulate the movements of clockwork and other machinery. Note: The time of oscillation of a pendulum is independent

Additional info about word: PENDULUM

A body so suspended from a fixed point as to swing freely to and fro by the alternate action of gravity and momentum. It is used to regulate the movements of clockwork and other machinery. Note: The time of oscillation of a pendulum is independent of the arc of vibration, provided this arc be small. Ballistic pendulum. See under Ballistic. -- Compensation pendulum, a clock pendulum in which the effect of changes of temperature of the length of the rod is so counteracted, usually by the opposite expansion of differene metals, that the distance of the center of oscillation from the center of suspension remains invariable; as, the mercurial compensation pendulum, in which the expansion of the rod is compensated by the opposite expansion of mercury in a jar constituting the bob; the gridiron pendulum, in which compensation is effected by the opposite expansion of sets of rodsof different metals. -- Compound pendulum, an ordinary pendulum; -- so called, as being made up of different parts, and contrasted with simple pendulum. -- Conical or Revolving, pendulum, a weight connected by a rod with a fixed point; and revolving in a horizontal cyrcle about the vertical from that point. -- Pendulum bob, the weight at the lower end of a pendulum. -- Pendulum level, a plumb level. See under Level. -- Pendulum wheel, the balance of a watch. -- Simple or Theoretical, pendulum, an imaginary pendulum having no dimensions except length, and no weight except at the center of oscillation; in other words, a material point suspended by an ideal line.

Related words: (words related to PENDULUM)

• SWASHY
  Soft, like fruit that is too ripe; quashy; swash.
• SWEETLY
  In a sweet manner.
• SWEETISH
  Somewhat sweet. -- Sweet"ish*ness, n.
• SWEETING
  1. A sweet apple. Ascham. 2. A darling; -- a word of endearment. Shak.
• SWATH
  zwade, a swath of grass, G. schwad, schwaden; perhaps, originally, a 1. A line of grass or grain cut and thrown together by the scythe in mowing or cradling. 2. The whole sweep of a scythe, or the whole breadth from which grass or grain is cut
• SWUM
  imp. & p. p. of Swim.
• SWYTHE
  Quickly. See Swithe. Sy, obs. imp. of See.
• SWEETHEART
  A lover of mistress.
• SWAYING
  An injury caused by violent strains or by overloading; -- said of the backs of horses. Crabb.
• SWAGE
  See ASSUAGE (more info) Etym:
• SWARTHINESS
  The quality or state of being swarthy; a dusky or dark complexion; tawniness.
• SWILLINGS
  See 1
• SWABBER
  To swab.
• SWADDLE
  Anything used to swaddle with, as a cloth or band; a swaddling band. They put me in bed in all my swaddles. Addison.
• OTHERGUISE; OTHERGUESS
  Of another kind or sort; in another way. "Otherguess arguments." Berkeley.
• SWANNERY
  A place where swans are bred. "The largest swannery in England." Encyc. Brit.
• SWEATY
  1. Moist with sweat; as, a sweaty skin; a sweaty garment. 2. Consisting of sweat; of the nature of sweat. No noisome whiffs or sweaty streams. Swift. 3. Causing sweat; hence, laborious; toilsome; difficult. "The sweaty forge." Prior.
• SWEETROOT
  Licorice.
• SWEDISH
  Of or pertaining to Sweden or its inhabitants. Swedish turnip. See under Turnip.
• SWANKIE; SWANKY
  An active and clever young fellow. Sir W. Scott.
• NOTOTHERIUM
  An extinct genus of gigantic herbivorous marsupials, found in the Pliocene formation of Australia.
• UPSWAY
  To sway or swing aloft; as, to upsway a club. Sir W. Scott.
• DISWITTED
  Deprived of wits or understanding; distracted. Drayton.
• BASSWOOD
  The bass or its wood; especially, T. Americana. See Bass, the lime tree. All the bowls were made of basswood, White and polished very smoothly. Longfellow.
• ENSWEEP
  To sweep over or across; to pass over rapidly. Thomson.
• REFIX
  To fix again or anew; to establish anew. Fuller.
• ISOGEOTHERMAL; ISOGEOTHERMIC
  Pertaining to, having the nature of, or marking, isogeotherms; as, an isogeothermal line or surface; as isogeothermal chart. -- n.
• FORSWORNNESS
  State of being forsworn.
• SMOTHER
  Etym: 1. To destroy the life of by suffocation; to deprive of the air necessary for life; to cover up closely so as to prevent breathing; to suffocate; as, to smother a child. 2. To affect as by suffocation; to stife; to deprive of air by a thick
• ASWOON
  In a swoon. Chaucer.
• MAINSWEAR
  To swear falsely. Blount.
• ISOTHEROMBROSE
  A line connecting or marking points on the earth's surface, which have the same mean summer rainfall.