See Also: menaphthone(medicine)
menaphthone(dictionary)

yardarm (oh) and menaphthone (iou)


yardarm (oh)



one of the ends of the pole that supports a square sail

menaphthone (iou)



menaphthone noun. M20.
[from ME(THYL + NAPHTH(ALENE + -ONE.]
Pharmacology. = MENADIONE.