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coma

Pronunciation: ko'ma

Definition:

  1. A state of profound unconsciousness from which one cannot be roused; may be due to the action of an ingested toxic substance or of one formed in the body, to trauma, or to disease.
  2. An aberration of spheric lenses; occurring in cases of oblique incidence (the image of a point becomes comet shaped).

Synonym(s): coma aberration

[G. koma, deep sleep, trance]

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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