Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
haematocrit is a noun meaning "the ratio of the volume occupied by packed red blood cells to the volume of the whole blood as measured by a hematocrit". It carries 2 recorded senses.
the ratio of the volume occupied by packed red blood cells to the volume of the whole blood as measured by a hematocrit
a measuring instrument to determine (usually by centrifugation) the relative amounts of corpuscles and plasma in the blood
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for haematocrit come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.