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hemo-or hema- or hem- also haemo- or haema- or haem-
[Greek haimo-, from haima.]
a US variant of haemo-
a combining form meaning “blood”: hemocyte.Also, esp. before a vowel, hem-;esp. Brit., haemo-.
[< New Latin haemo-, comb. form representing Greek haîma blood]
A prefix meaning "blood," as in hemophilia, a disorder in which blood fails to clot.