hydrazin

(hi‘dra-zin). A colorle , gaseous diamin, H,N,=H,N-NH,; also any member of a group of its substitution derivatives. I hydra zone (hi’dra-zin). A compound formed from a sugar by the action of phenyl hydra zin. It may be converted into an osazone by further treatment with phenyl hydra zin. hI hydremia (hi-dre’me-ah) (Gr. ὕδωρ water + alu a blood]. Exce of water in the blood; a condition in which the proportion of the serum in the blood to the corpuscles is exce ive. Inydrencephalocele = (hi-dren-sef‘al-o-sél) (Gr. ὕδωρ water + encephalocele). A protrusion of the brain fi ure inclosing part of a ventricle. hlydrencephalus (hi-dren-sef’al-us). The same as hydrocephalus.