haematocrit(redirected from Hct)
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haematocrit(ˈhɛmətəʊkrɪt; ˈhiː-) or
1. (Medicine) a centrifuge for separating blood cells from plasma
2. (Medicine) Also called: packed cell volume the ratio of the volume occupied by these cells, esp the red cells, to the total volume of blood, expressed as a percentage
[C20: from haemato- + Greek kritēs judge, from krinein to separate]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a centrifuge used for separating blood cells from the plasma.See also: Blood and Blood Vessels
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
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|Noun||1.||haematocrit - the ratio of the volume occupied by packed red blood cells to the volume of the whole blood as measured by a hematocrit|
ratio - the relative magnitudes of two quantities (usually expressed as a quotient)
|2.||haematocrit - a measuring instrument to determine (usually by centrifugation) the relative amounts of corpuscles and plasma in the blood|
centrifuge, separator, extractor - an apparatus that uses centrifugal force to separate particles from a suspension
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