Definition of Chlorine

1. Noun. 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).

Exact synonyms: Atomic Number 17, Cl
Generic synonyms: Chemical Element, Element, Gas, Halogen
Specialized synonyms: Radiochlorine
Substance meronyms: Common Salt, Sodium Chloride
Derivative terms: Chlorinate, Chlorinate

Definition of Chlorine

1. n. 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.

Definition of Chlorine

1. Noun. A toxic, green, gaseous chemical element (''symbol'' Cl) with an atomic number of 17. ¹

¹ Source:

Definition of Chlorine

1. a gaseous element [n -S]

Medical Definition of Chlorine

1. Chlorine. A greenish-yellow, diatomic gas that is a member of the halogen family of elements. It has the atomic symbol cl, atomic number 17, and atomic weight 70.906. It is a powerful irritant that can cause fatal pulmonary oedema. Chlorine is used in manufacturing, as a reagent in synthetic chemistry, for water purification, and in the production of chlorinated lime, which is used in fabric bleaching. Chemical name: Chlorine (12 Dec 1998)

Lexicographical Neighbors of Chlorine

chlorinated hydrocarbon
chlorinated lime
chlorinated paraffin
chlorine (current term)
chlorine acne
chlorine compounds
chlorine dioxide
chlorine fluoride
chlorine fluorides
chlorine group
chlorine monofluoride
chlorine oxide
chlorine pentafluoride
chlorine trifluoride
chlorine water

Literary usage of Chlorine

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Dictionary of Applied Chemistry by Thomas Edward Thorpe (1921)
"1215. states that liquid chlorine is now made almost entirely from electrolytic chlorine, and that Deacon chlorine is no good for the purpose unless it is ..."

2. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1837)
"The chlorine vapour was applied in the manner recommended by Murray; or instead of exposing the patient to vapour strongly impregnated with chlorine, ..."

3. Experimental Morphology by Charles Benedict Davenport (1899)
"chlorine.—This element is probably of constant occurrence in organisms, ... This very fact, however, renders it possible that chlorine is merely an ..."

4. Proceedings of the Royal Society of London by Royal Society (Great Britain) (1904)
""The Combination of Hydrogen and chlorine under the Influence of Light." By PV SEVAN, Trinity College, Cambridge. Communicated by Professor JJ THOMSON, ..."

5. Standard Methods of Chemical Analysis: A Manual of Analytical Methods and by Wilfred Welday Scott (1922)
"Free chlorine should be converted to a chloride before titration. This may be accomplished, as stated under preparation of the sample^ by boiling with ..."

6. Report of the Annual Meeting (1901)
"Marked parallelism of chlorine curves, where several are compared, is regarded as being due to ... On the Distribution of chlorine in Yorkshire, Part II. ..."

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