1. To cause a substance in solution to separate 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]
keratic p.'s inflammatory cells on the corneal endothelium.punctate keratitis, keratitis punctata;
mutton-fat keratic p.'s coalescent p.'s forming small plaques that gradually become more translucent.
pigmented keratic p.'s p.'s that occur in eyes with brown irides or after prolonged inflammation.
red p. mercuric oxide, red
sweet p. calomel
white mercuric p. ammoniated mercury
yellow p. mercuric oxide, yellow
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