perchlorate

noun

per·​chlo·​rate (ˌ)pər-ˈklȯr-ˌāt 

-ət

: a salt or ester of perchloric acid

Examples of perchlorate in a Sentence

Recent Examples on the Web

First, the agency updated the science to better estimate perchlorate’s risks, but that took time. — Michael Phillis, Los Angeles Times, 5 Jan. 2026

Martian regolith also contains perchlorate, which is a strong oxidizer. — Keith Cooper, Space.com, 3 Mar. 2026

Zinc perchlorate remains primarily in the liquid to control the ion movement and improve the battery’s freeze resistance for cold-weather performance. — Mrigakshi Dixit, Interesting Engineering, 30 Sep. 2025

Matt Damon’s character would probably not have survived on the real Mars of today, because its rocklike surface, called regolith, is too full of salts and toxic chemicals such as perchlorate for potatoes, or most Earth-like plants, to grow. — Chris Impey, The Conversation, 23 Sep. 2025

Word History

Etymology

International Scientific Vocabulary

First Known Use

1817, in the meaning defined above

Rhymes for perchlorate

• chlorate

Kids Definition

perchlorate

noun

per·​chlo·​rate (ˈ)pər-ˈklō(ə)r-ˌāt 

-ˈklȯ(ə)r-

: a chemical compound formed by the reaction of perchloric acid with another substance

Medical Definition

perchlorate

noun

per·​chlo·​rate (ˈ)pər-ˈklō(ə)r-ˌāt, -ˈklȯ(ə)r-, -ət 

: a salt or ester of perchloric acid