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

Magnesium chloride is the best choice for removing ice with less impact on your yard and concrete. —Karen Brewer Grossman, Southern Living, 23 Jan. 2026

The water can easily rush out of the body, but the sodium and chloride ions flood in. —Scott Travers, Forbes.com, 22 Jan. 2026

This comprehensive study provides a materials-by-design playbook for turning the most abundant anion in the ocean—chloride—from a poison into a performance descriptor, paving the way for truly seawater-robust energy storage and conversion devices, according to a press release. —Prabhat Ranjan Mishra, Interesting Engineering, 21 Jan. 2026

Rock salt formulas often contain the greatest quantity of sodium and chloride, with other filler products in small quantities. —Barbara Gillette, The Spruce, 29 Dec. 2025

Word History

Etymology

German Chlorid, from chlor- + -id -ide

First Known Use

1812, in the meaning defined at sense 1

Phrases Containing chloride

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

Rhymes for chloride

• boride
• amiloride
• hexachloride
• hydrochloride
• oxychloride
• pentachloride
• tetrachloride
• bichloride
• dichloride
• perchloride
• trichloride
• dihydrochloride

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