(physics) The only stable isotope of manganese, ⁵⁵₂₅Mn, having 25 protons and 30 neutrons

(physics) The major stable isotope of chromium, ⁵²₂₄Cr, having 24 protons and 28 neutrons; it amounts to about 84% of the element in nature

(physics) A minor stable isotope of chromium, ⁵⁴₂₄Cr, having 24 protons and 30 neutrons; it amounts to about 2% of the element in nature

Former designation of Nelarabine; a chemotherapy prodrug used in treatment of T-cell acute lymphoblastic leukemia.

plural of B-52

(physics) A minor stable isotope of chromium, ⁵³₂₄Cr, having 24 protons and 29 neutrons; it amounts to about 9% of the element in nature

(astronomy) A red dwarf star about 20 light years from the Solar System. Gliese 581 is notable due to at least two exoplanets that might be life-sustaining.

(of a thing) Being a complete mix; containing parts of many different origins. / (informal, of a person or animal, chiefly a dog) Having ancestry of many different origins; to be of mixed race or breed.

(countable, slang) A dog of miscellaneous ancestry; a mutt. / (uncountable, poker) A variety of draw poker in which 5s and 7s are wild cards.

A cocktail shooter consisting of three distinct layers of coffee liqueur, Baileys and Grand Marnier.