chlorine
chlo·rine
noun \ˈklō(ə)r-ˌēn, ˈklȯ(ə)r-, -ən\Definition of CHLORINE
: a halogen element that is isolated as a heavy greenish yellow gas of pungent odor and is used especially as a bleach, oxidizing agent, and disinfectant in water purification—symbol Cl; see element table
Learn More About
Seen & Heard 
What made you want to look up chlorine? Please tell us where you read or heard it (including the quote, if possible).
