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Motion vs Hydrodynamics - What's the difference?

motion | hydrodynamics |

In physics terms the difference between motion and hydrodynamics

is that motion is a change from one place to another while hydrodynamics is the scientific study of fluids in motion.

As nouns the difference between motion and hydrodynamics

is that motion is a state of progression from one place to another while hydrodynamics is the scientific study of fluids in motion.

As a verb motion

is to gesture indicating a desired movement.

motion

English

(wikipedia motion)

Noun

  • (uncountable) A state of progression from one place to another.
  • (countable) A change of position with respect to time.
  • * Dr. H. More
  • This is the great wheel to which the clock owes its motion .
  • (physics) A change from one place to another.
  • * 1839 , Denison Olmsted, A Compendium of Astronomy Page 95
  • Secondly, When a body is once in motion' it will continue to move forever, unless something stops it. When a ball is struck on the surface of the earth, the friction of the earth and the resistance of the air soon stop its ' motion .
  • (countable) A parliamentary action to propose something.
  • The motion to amend is now open for discussion.
  • * Shakespeare
  • Yes, I agree, and thank you for your motion .
  • (obsolete) An entertainment or show, especially a puppet show.
  • * 1644 , (John Milton), Aeropagitica :
  • when God gave him reason, he gave him freedom to choose, for reason is but choosing; he had bin else a meer artificiall Adam'', such an ''Adam as he is in the motions .
  • (philosophy) from ; any change. Traditionally of four types: generation and corruption, alteration, augmentation and diminution, and change of place.
  • * 1662 , , Book II, A Collection of Several Philosophical Writings of Dr. Henry More, p. 53:
  • "I say, it is no uneven jot, to pass from the more faint and obscure examples of Spermatical'' life to the more considerable effects of ''general Motion'' in ''Minerals'', ''Metalls'', and sundry ''Meteors'', whose easie and rude shapes may have no need of any Principle of Life, or ''Spermatical form'' distinct from the ''Rest'' or ''Motion'' of the particles of the ''Matter ."
  • Movement of the mind, desires, or passions; mental act, or impulse to any action; internal activity.
  • * South
  • Let a good man obey every good motion rising in his heart, knowing that every such motion proceeds from God.
  • (legal) An application made to a court or judge orally in open court. Its object is to obtain an order or rule directing some act to be done in favor of the applicant.
  • (music) Change of pitch in successive sounds, whether in the same part or in groups of parts. (Conjunct motion'' is that by single degrees of the scale. ''Contrary motion'' is when parts move in opposite directions. ''Disjunct motion'' is motion by skips. ''Oblique motion'' is when one part is stationary while another moves. ''Similar'' or ''direct motion is when parts move in the same direction.)
  • * Grove
  • The independent motions of different parts sounding together constitute counterpoint.
  • (obsolete) A puppet, or puppet show.
  • * Beaumont and Fletcher
  • What motion' s this? the model of Nineveh?

    Synonyms

    * (state of progression from one place to another) movement * (change from one place to another) move, movement

    Antonyms

    * rest

    Derived terms

    * Brownian motion * motionless * perpetual motion * perpetual motion machine

    Verb

    (en verb)
  • To gesture indicating a desired movement.
  • He motioned for me to come closer.
  • (proscribed) To introduce a motion in parliamentary procedure.
  • To make a proposal; to offer plans.
  • (Shakespeare)

    Usage notes

    The parliamentary sense is incorrectly used by people who are not familiar with parliamentary procedure. They might say "I motion that such-and-such"—however, it would be correct to say "I move that such-and-such".

    hydrodynamics

    English

    Noun

  • (physics) the scientific study of fluids in motion
  • Derived terms

    * magnetohydrodynamics * electrohydrodynamics

    See also

    * hydrostatics