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inversion Definition

in·ver·sion (in vʉr′z̸hən, -s̸hən)

noun

  1. an inverting or being inverted
  2. something inverted; reversal
  3. Chem.
    1. a chemical change in which an optically active substance is converted into another substance having no effect, or the opposite rotatory effects, on the plane of polarization
    2. the conversion of an isomeric compound to its opposite
  4. Gram., Rhetoric a reversal of the normal order of words in a sentence (Ex.: “said he” for “he said”)
  5. Math.
    1. the process of using an opposite rule or method
    2. an interchange of the terms of a ratio
  6. Meteorol. an atmospheric condition in which the normal properties of layers of air are reversed; esp., a temperature reversal in which a layer of warm air traps cooler air near the surface of the earth, preventing the normal rising of surface air
  7. Music
    1. the reversal of the position of the tones in an interval or chord, as by raising the lower tone by an octave, etc.
    2. the recurrence of a theme, fugue subject, motive, or figure in identical intervals and note values, but consistently in the opposite direction
  8. Phonet. a position of the tongue in which the tip is turned upward and backward
  9. Psychiatry homosexuality: now seldom used

Etymology: L inversio < inversus, pp. of invertere

inversion Related Forms
in·ver′·sive adjective
inversion Synonyms

inversion

n.

transposition, reversal, contradiction; see conversion 1, opposite.

inversion Usage Examples

Preposition: of

  • matrix: To be familiar with basic matrix operations, including inversion of 3×3 matrices.
  • truth: Almost everything you say is an inversion of the truth.

Converse of object

  • perform: We then perform an inversion with respect to the cage.
  • involve: For example, when a planar fragment is fitted to an almost planar fragment one fit may involve inversion of the non-planar fragment.

Adjective modifier

  • direct: The concept of the world is generated by direct inversion of the characteristics of ordinary experience.
  • total: This table allows for total inversion, where most high street inversion tables restrict you to having to use the attached belt.
  • strong: For example the vertical spread of the plume may be inhibited by a strong inversion.
  • complete: Failure to degauss can lead to colors becoming sickly, or in extreme cases, complete color inversion.

Modifies a noun

  • ami: Property is worth the living room mark inversion ami.
  • mapping: This model was evaluated on an inversion mapping task.
  • scenario: All the argument requires is that the spectrum inversion scenario is imaginable.
  • layer: Effects from inversion layers are ruled out by total low cloud cover.
  • algorithm: Hence the same mathematical inversion algorithms can be used to reconstruct 2D or 3D images of the subsurface.
  • recovery: This, however, also removes the polarity change inherent in the inversion recovery curve.

Noun used with modifier

  • polarity: Secondly, it decreases the open flux by increasing the length of the polarity inversion line where flux cancelation occurs.
  • topsoil: Research data from the Woodland Wildflower project will be used to enhance the results from the topsoil inversion pilot projects.
  • waveform: This process, known as waveform inversion, has been shown to give very dependable results.
  • matrix: The set of linear equations is then solved by means of a matrix inversion.
  • temperature: In itself, a temperature inversion is a simple effect.
  • spectrum: Further suppose that spectrum inversion does not in fact occur.