What does the suffix -crit mean when used in the word Hematocrit?

Question:I know the combining form "hemat/o" means blood, but what does the suffix -crit mean? Count? I don't want a guess, I need the actual literal definition of "-crit" as applied to the word Hematocrit.

Answers:
The term "hematocrit" was coined in 1903 and comes from the Greek roots hemat-, blood + krites, judge = to judge or gauge the blood. The abbreviation for hematocrit is hct. In medical slang the hematocrit is called the crit.

Common Misspellings: hemocrit, hemacrit
(nucleonics) The mass of fissionable material that is critical under a given set of conditions; sometimes applied to the mass of an untamped critical sphere of fissionable material.


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It comes from Krites = to judge which is also the root word for criticism and critical - thus a blood test!
Hematocrit is the percentage of blood volume that is made up by red blood cells- usually around low-40%. The rest of the blood volume is serum (the liquid part), white blood cells and platelets.

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