Adjacent Words

Chlorine definitions

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Webster's 1828 Dictionary

CHLORINE,
CHLORIODIC, a. Consisting of chlorine and iodine, or obtained from them.

WordNet (r) 3.0 (2005)

n
1: 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) [syn: chlorine, Cl, atomic number 17]

Merriam Webster's

noun Date: 1810 a halogen element that is isolated as a heavy greenish-yellow diatomic gas of pungent odor and is used especially as a bleach, oxidizing agent, and disinfectant in water purification — see element table

Dictionary of the Elements

chlorine
Symbol: Cl
Atomic number: 17
Atomic weight: 35.453
Halogen element. Poisonous greenish-yellow gas. Occurs widely in nature as sodium chloride in seawater. Reacts directly with many elements and compounds, strong oxidizing agent. Discovered by Karl Scheele in 1774. Humphrey David confirmed it as an element in 1810.

Oxford Reference Dictionary

n. Chem. a poisonous greenish-yellow gaseous element of the halogen group occurring naturally in salt, sea-water, rock-salt, etc., and used for purifying water, bleaching, and the manufacture of many organic chemicals. Usage: Symb.: Cl. Etymology: Gk khloros green + -INE(4)

Webster's 1913 Dictionary

Chlorine Chlo"rine, n. [Gr. ? pale green, greenish yellow. So named from its color. See Yellow.] (Chem.) One of the elementary substances, commonly isolated as a greenish yellow gas, two and one half times as heavy as air, of an intensely disagreeable suffocating odor, and exceedingly poisonous. It is abundant in nature, the most important compound being common salt. It is powerful oxidizing, bleaching, and disinfecting agent. Symbol Cl. Atomic weight, 35.4. Chlorine family, the elements fluorine, chlorine, bromine, and iodine, called the halogens, and classed together from their common peculiarities.

Collin's Cobuild Dictionary

Chlorine is a strong-smelling gas that is used to clean water and to make cleaning products.