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

These waters—rich in chloride, hydrogen sulfide, iron, fluoride, and iodide ions—promote blood circulation and muscle relaxation, boost metabolism, strengthen the immune system, and lower stress and inflammation. —Devorah Lev-Tov, Travel + Leisure, 13 June 2026

Building ion highways One of the biggest challenges with chloride-ion batteries is that chloride ions move slowly through solid materials. —Neetika Walter, Interesting Engineering, 3 June 2026

Oen-Hsiao recommended sticking with alcohol-free mouthwash and avoiding products with broad-spectrum antiseptics, such as cetylpyridinium chloride and chlorhexidine. —Laura Bradley, Health, 3 June 2026

Salt is a source of sodium as well as chloride. —Sheah Rarback, Miami Herald, 30 May 2026

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