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phase microscope

noun

a microscope that utilizes the phase differences of light rays transmitted by different portions of an object to create an image in which the details of the object are distinct despite their near-uniformity of refractive index.

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Nearby words

  1. phase diagram,
  2. phase i block,
  3. phase ii block,
  4. phase in,
  5. phase inverter,
  6. phase modulation,
  7. phase out,
  8. phase rule,
  9. phase shift keying,
  10. phase space

Origin of phase microscope

First recorded in 1945–50
Also called phase-contrast microscope [feyz-kon-trast] /ˈfeɪzˈkɒn træst/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for phase-contrast microscope

phase-contrast microscope

noun

a microscope that makes visible details of colourless transparent objects. It employs a method of illumination such that small differences of refractive index of the materials in the object cause differences of luminous intensity by interference
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012