antimony

noun

an·​ti·​mo·​ny ˈan-tə-ˌmō-nē 

1

: stibnite

2

: a trivalent and pentavalent metalloid element with atomic number 51 that commonly occurs in a brittle, metallic, silvery white crystalline form and that is used especially in alloys, semiconductors, and flame-retardant substances see Chemical Elements Table

Examples of antimony in a Sentence

Recent Examples on the Web

Tax credits for critical materials enshrined in the 2022 Inflation Reduction Act promise to offset 10% of antimony production costs. —Christopher Helman, Forbes, 4 Oct. 2024

That’s because in recent decades China has cornered the antimony market, controlling some 90% of global supplies with mines in China and Tajikistan. —Christopher Helman, Forbes, 4 Oct. 2024

But China’s moves meant the company is studying ways to produce antimony faster. —Reuters, CNN, 15 Aug. 2024

In August, the Ministry of Commerce surprised some in the critical minerals industry with export controls on antimony that are set to take effect later in September. —Evelyn Cheng, CNBC, 10 Sep. 2024

Word History

Etymology

Middle English antimonie, from Medieval Latin antimonium

First Known Use

15th century, in the meaning defined at sense 1

Kids Definition

antimony

noun

an·​ti·​mo·​ny ˈant-ə-ˌmō-nē 

: a metallic silvery white element that is used especially in alloys and medicine see element

Medical Definition

antimony

noun

an·​ti·​mo·​ny ˈant-ə-ˌmō-nē 

plural antimonies

: a trivalent and pentavalent metalloid element that is commonly metallic silvery white, crystalline, and brittle and is used especially in alloys and semiconductors and in medicine as a constituent of various antiprotozoal agents (as tartar emetic)

—symbol Sb see Chemical Elements Table