[ hi-mat-uh-krit ]

  1. a centrifuge for separating the cells of the blood from the plasma.

  2. Also called hematocrit value. the ratio of the volume of red blood cells to a given volume of blood so centrifuged, expressed as a percentage.

Origin of hematocrit

First recorded in 1890–95; hemato- + -crit, from Greek kritḗs “judge”; cf. critic

Words Nearby hematocrit

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use hematocrit in a sentence

Scientific definitions for hematocrit


[ hĭ-mătə-krĭt′ ]

  1. The percentage by volume of red blood cells in a given sample of blood after it has been spun in a centrifuge.

  2. A centrifuge used to determine the relative volumes of blood cells and plasma in a given sample of blood.

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