What does "chlorine" mean?

A toxic, green, gaseous chemical element (symbol Cl) with an atomic number of 17.

What is a synonym for "chlorine"?

Common synonyms include: aestival, ammonia, arsenic, atomic number 17, bleach, carbon dioxide.

//ˈklɔɹin// noun

noun ·Moderate ·College level

Noun

1
A toxic, green, gaseous chemical element (symbol Cl) with an atomic number of 17. uncountable, usually
"When TCCA touches a small amount of water and doesn’t dissolve, “it can experience a chemical reaction, generating heat and causing the decomposition of the chemical, which in turn produces toxic chlorine gas and can produce explosive nitrogen trichloride,” a 2023 report by the CSB said."
2
a common nonmetallic element belonging to the halogens; best known as a heavy yellow irritating toxic gas; used to purify water and as a bleaching agent and disinfectant; occurs naturally only as a salt (as in sea water) wordnet
3
A single atom of this element. countable, usually
4
A chlorine-based bleach or disinfectant. countable, usually
"The mechanism involved in the explosive reaction between swimming pool chlorine (calcium hypochlorite) and brake fluid (polyethylene glycol), a possible improvised explosive mixture, has been studied by means of the gaseous products produced."