Iodine is a chemical element with symbol I and atomic number 53. The heaviest of the stable halogens, it exists as a lustrous, purple-black metallic solid at a standard conditions that sublimes readily to form a violet gas. The elemental form was discovered by the French chemist Bernard Courtois in 1811.
Definition of CHOLLA. : any of numerous shrubby opuntias chiefly of the southwestern United States and Mexico that have needlelike spines partly enclosed in a papery sheath and cylindrical joints âcalled also cholla cactus.
Sometimes called husk cherries or tomato verde, tomatillos are a small, green Mexican fruit with a Japanese lantern-type shell surrounding it. While they're from the tomato family, and in fact do resemble small, green tomatoes inside the papery covering, tomatillos appear more like cape gooseberries.