n. any of a class of aromatic tricyclic heterocycles used to make dyestuffs
The Century Dictionary and Cyclopedia
n. A yellow crystalline base, C12H8N2, made by heating calcium azobenzoate with slaked lime. It melts at 170–171° C. and dissolves in sulphuric acid with a blood-red color.
Word Usage
"Although these particular ligands do not affect the enzyme's activity, the researchers plan to modify the ligands so they can inhibit phenazine biosynthesis, which is associated with bacterial virulence and infectious disease."