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Pronunciation: su-presh'un


  1. Deliberately excluding from conscious thought.
  2. Arrest of the secretion of a fluid, such as urine or bile.
  3. Checking of an abnormal flow or discharge, as in suppression of a hemorrhage.
  4. The effect of a second mutation that overwrites a phenotypic change caused by a previous mutation at a different point on the chromosome.
  5. Inhibition of vision in one eye when dissimilar images fall on corresponding retinal points.
  6. The attenuation or arrest of an immune response.

[L. subprimo (subp-), pp. -pressus, to press down]

See Also: epistasis

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.