chloride

noun

chlo·​ride ˈklȯr-ˌīd 

1

: a compound of chlorine with another element or group

especially : a salt or ester of hydrochloric acid

2

: a monovalent anion consisting of one atom of chlorine

Examples of chloride in a Sentence

Recent Examples on the Web

As well as tasting salty, Uruguayan officials say the tap water also has a high level of chlorides, sodium, and trihalomethanes. —Jack Guy, CNN, 25 June 2023

Aluminum chloride hexahydrate, the active ingredient in antiperspirants, can help reduce sweating. —Cathy Cassata, Health, 29 July 2023

When seawater is used, however, the same electrical jolt that generates O2 at the anode also converts the chloride ions in saltwater into highly corrosive chlorine gas, which eats away at the electrodes and catalysts. —Byrobert F. Service, science.org, 15 Mar. 2023

Chloride has reached 686 milligrams per liter of chloride, also 50 percent more than the previous authorized limit. —Maite Fernández Simon, Washington Post, 29 May 2023

Sodium chloride can be used to sanitize the materials. —Justine Calma, The Verge, 23 May 2023

Students reported smelling mysterious odors like tangerine and chlorides and were hospitalized after having difficulty breathing and experiencing heart palpitations, nausea and numbness in their limbs. —Farnaz Fassihi, New York Times, 1 Mar. 2023

Common electrolytes include sodium, potassium, chloride, and magnesium. —Leah Groth, Health, 10 June 2023

Further investigation revealed that the surfaces of these dunes were hiding hydrated silica and sulfates, minerals that contain water molecules, along with certain iron oxides and what seem to be chlorides. —Elizabeth Rayne, Ars Technica, 11 May 2023

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Word History

Etymology

German Chlorid, from chlor- + -id -ide

First Known Use

1812, in the meaning defined at sense 1

Phrases Containing chloride

• calcium chloride
• ammonium chloride
• ethyl chloride
• cobalt chloride
• chloride of lime
• magnesium chloride
• hydrogen chloride
• ferric chloride
• polyvinyl chloride
• methylene chloride
• mercury chloride
• mercurous chloride
• zinc chloride
• vinyl chloride
• sodium chloride
• silver chloride
• potassium chloride
• mercuric chloride

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• calcium chloride
• ammonium chloride
• ethyl chloride
• cobalt chloride
• chloride of lime
• magnesium chloride
• hydrogen chloride
• ferric chloride
• polyvinyl chloride
• methylene chloride
• mercury chloride
• mercurous chloride
• zinc chloride
• vinyl chloride
• sodium chloride
• silver chloride
• potassium chloride
• mercuric chloride

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Kids Definition

chloride

noun

chlo·​ride ˈklō(ə)r-ˌīd 

ˈklȯ(ə)r-

: a chemical compound of chlorine with another element, group, or substance

Medical Definition

chloride

noun

chlo·​ride ˈklō(ə)r-ˌīd, ˈklȯ(ə)r- 

1

: a compound of chlorine with another element or radical

especially : a salt or ester of hydrochloric acid

called also muriate

2

: a monovalent anion consisting at one atom of chlorine