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Pronunciation: pre-sip'i-tat


  1. To cause a substance in solution to separate out as a solid.
  2. A solid separated out from a solution or suspension; a floc or clump, such as that resulting from the mixture of a specific antigen and its antibody.
  3. Accumulation of inflammatory cells on the corneal endothelium in uveitis (keratic precipitates).

[L. praecipito, pp. -atus, to cast headlong]

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

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