plural of moly

A magic herb or plant used by Odysseus to overcome Circe. / Any plant associated with the mythological moly, especially the European allium, Allium moly.

(informal) molybdenum / (slang) molybdenum grease

Alternative spelling of holy moley.

plural of moly cow

(chemistry, medicine, informal) A device used to extract from a source of decaying molybdenum-99 the metastable isotope ⁹⁹ᵐTc of technetium, which is the most commonly used medical radioisotope.