(idiomatic, medicine) A drinkable liquid containing a radioactive substance, used in health care either as a diagnostic aid or as a treatment, especially for cancer of the thyroid.

(rare, slang, vulgar) Ridiculously androcentric or patriarchal.

plural of cockamamie

Anadara granosa (or Tegillarca granosa), an edible species of ark clam.

plural of cockpit voice recorder

plural of cocktail onion

A pearl onion or other sweet onion seasoned and pickled in brine, used as a cocktail garnish.

The world's heaviest species of cockroach, Macropanesthia rhinoceros, which is native to Australia and mostly found in tropical parts of Queensland.

(slang, vulgar) Obsessed with the penis as a sexual organ.

(slang, vulgar) A cockaholic person.