Definition of displacement in English:


Line breaks: dis¦place|ment
Pronunciation: /dɪsˈpleɪsm(ə)nt


[mass noun]
  • 1The action of moving something from its place or position: vertical displacement of the shoreline [count noun]: a displacement of the vertebra at the bottom of the spine
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    • Elastic forces were assumed to be a function of displacement from the equilibrium position, i.e., displacement from the equilibrium length of the linker.
    • The Lachman test is performed with the knee at 30 degrees in a supine position and involves anterior displacement of the tibia on the femur.
    • And whenever you have any kind of vertical displacement in the sea floor, the water becomes disturbed.
  • 1.1The removal of someone or something by someone or something else which takes their place: males may be able to resist displacement by other males
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    • From West Africa to Southeast Asia, these trends have resulted in massive male displacement and, frequently, unemployment.
    • Labor groups resisted the introduction of the steam presses fearing job displacement.
    • In such a case, females would be farther north than males in the absence of displacement of females by later-arriving males.
  • 1.2The enforced departure of people from their homes, typically because of war, persecution, or natural disaster: the displacement of farmers by guerrilla activity
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    • There was no mention of displacement by natural catastrophes.
    • The project involves large-scale displacement of farmers and destruction of farmland, forests and common lands.
    • Regular villas for Roman colonists in Kent: evidence suggests massive displacement of native farmers after Roman conquest
  • 1.3 [count noun] The amount by which a thing is moved from a position: a displacement of 6.8 metres along the San Andreas fault
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    • The displacements of the cytoplasmic moieties of these helices amount to 0.1-0.2 nm.
    • KIF1A bound to the microtubule moved toward the plus end of the microtubule with a displacement of 2.8 nm.
    • Support for this position comes from studying target displacements that are larger than 15% of the movement distance.
  • 2The occupation by a submerged body or part of a body of a volume which would otherwise be occupied by a fluid.
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    • For dog lungs, volumes obtained by fluid displacement even after pressure release were found to be 14% higher than by the Cavalieri method.
    • Tsunamis are also not so much about volume displacement as about energy transfer.
    • Subsequently, Mead introduced volume displacement whole body plethysmography, which measured volume changes due to gas compression and decompression.
  • 2.1The volume or weight of fluid that would fill the volume displaced by a floating ship, used as a measure of the ship’s size: the submarine has a surface displacement of 2,185 tons
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    • In another one of those historical ironies, the modern corvette is the same size and displacement as the original destroyers that appeared about a century ago.
    • Improvements include increased payload share of ship displacement, stealthy design, advanced propulsion system and combat systems with modular open architecture.
    • The hull displacement is 2,168t surfaced and 2,455t dived.
  • 2.2 technical The volume swept by a reciprocating system, as in a pump or engine: [as modifier]: a fixed displacement gear
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    • A gear pump system has a fixed displacement and requires a change in pump shaft speed to affect pump volume.
    • Variable displacement piston pumps are just icing on the cake of an already flourishing miniexcavator market.
    • Driving pressure (also known as power) is determined by the displacement of the reciprocating pumps or diaphragms.
  • 3 Psychoanalysis The unconscious transfer of an intense emotion from one object to another: this phobia was linked with the displacement of fear of his father
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    • Like all symbioses it was bound together and sustained by the primary processes of uncritical displacement and condensation.
    • The influence of perceptual displacement and age on the retrospective component of prospective remembering was considered in a similar analysis.
    • Perceptual displacement of cues modulated performance of the prospective component but not the retrospective component.
  • 4 Physics The component of an electric field due to free separated charges, regardless of any polarizing effects.
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    • The efficiency of inducing charge displacement was membrane potential dependent.
    • During field stimulation of isolated cardiac myocytes, depolarization is achieved either by charge displacement or by net ionic current flow between the two electrodes.
    • Aluminum, beryllium and magnesium are good examples of substrates where use of a displacement film prior to electrodeposition will provide superior adherence.
  • 4.1The vector representing such a component.
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    • The first term is equal to zero for displacement vectors that are aligned, whereas the second term is zero for displacement vectors whose magnitude does not change over time.
    • The different displacement vectors are calculated as described below.
    • Second, an attempt is made to filter out displacement vectors which do not vary smoothly on a spatial scale set by the user.
  • 4.2The flux density of such an electric field.
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    • Together with the sampling rate, this defines the maximum displacement that a speckle can undergo from one frame to the next.
    • If everything is assembled properly, the elastic displacement output of the CDA is linearly proportional to the current input to the coil.
    • The amount of displacement depends upon how much the material slows the speed of the beam.

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