(organic chemistry) Any of six isomeric aromatic azines, but especially 2,4-dinitrophenylhydrazine that is used as a reagent in the analysis of aldehydes and ketones
hexamethylenetetramine
hexamethylenetetramine
noun
(organic chemistry) A crystalline compound C₆H₁₂N₄ used especially as an accelerator in vulcanizing rubber.
hexanitrodiphenylamine
hexanitrodiphenylamine
noun
(organic chemistry) A substance that was mixed with TNT in World War II to make it more explosive.
hydropneumopericardium
hyperconscientiousness
hyperconscientiousness
noun
The quality of being hyperconscientious.
hyperconstitutionalism
lymphangioendothelioma
lymphangioendothelioma
noun
(pathology) acquired progressive lymphangioma (in which endothelial cells are the main component)
