chlo·​ride ˈklȯr-ˌīd How to pronounce chloride (audio)
: a compound of chlorine with another element or group
especially : a salt or ester of hydrochloric acid
: 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,, 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 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'chloride.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


German Chlorid, from chlor- + -id -ide

First Known Use

1812, in the meaning defined at sense 1

Time Traveler
The first known use of chloride was in 1812

Dictionary Entries Near chloride

Cite this Entry

“Chloride.” Dictionary, Merriam-Webster, Accessed 1 Oct. 2023.

Kids Definition


chlo·​ride ˈklō(ə)r-ˌīd How to pronounce chloride (audio)
: a chemical compound of chlorine with another element, group, or substance

Medical Definition


: a compound of chlorine with another element or radical
especially : a salt or ester of hydrochloric acid

called also muriate

: a monovalent anion consisting at one atom of chlorine

More from Merriam-Webster on chloride

Last Updated: - Updated example sentences
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