Haematic

a. [ Gr. a"imatiko`s] Of or pertaining to the blood; sanguine; brownish red. [1913 Webster]

Haematic acid (Physiol.), a hypothetical acid, supposed to be formed from hemoglobin during its oxidation in the lungs, and to have the power of freeing carbonic acid from the sodium carbonate of the serum. Thudichum. [1913 Webster]