The Collaborative International Dictionary
Pyoxanthose
Pyoxanthose \Py`o*xan"those\, n. [Gr. ? pus + ? yellow.] (Physiol. Chem.) A greenish yellow crystalline coloring matter found with pyocyanin in pus.
Wiktionary
pyoxanthose
n. (context chemistry archaic English) A greenish-yellow crystalline colouring matter found with pyocyanin in pus.