antimony

[ an-tuh-moh-nee ]

noun

, Chemistry.

1. a brittle, lustrous, white metallic element occurring in nature free or combined, used chiefly in alloys and in compounds in medicine. : Sb; : 51; : 121.75.

antimony

/ ˈæntɪmənɪ /

noun

1. a toxic metallic element that exists in two allotropic forms and occurs principally in stibnite. The stable form is a brittle silvery-white crystalline metal that is added to alloys to increase their strength and hardness and is used in semiconductors. Symbol: Sb; atomic no: 51; atomic wt: 121.757; valency: 0, –3, +3, or +5; relative density: 6.691; melting pt: 630.76°C; boiling pt: 1587°C

antimony

/ ăn′tə-mō′nē /

1. A metalloid element having many forms, the most common of which is a hard, very brittle, shiny, blue-white crystal. It is used in a wide variety of alloys, especially with lead in car batteries, and in the manufacture of flameproofing compounds. Atomic number 51; atomic weight 121.76; melting point 630.5°C (1,167°F); boiling point 1,380°C (2,516°F); specific gravity 6.691; valence 3, 5.
2. See Periodic Table

Other Words From

• anti·moni·al adjective noun

Word History and Origins

Origin of antimony¹

1375–1425; late Middle English antimonie < Medieval Latin antimōnium, perhaps < dialectal Arabic uthmud

Word History and Origins

Origin of antimony¹

C15: from Medieval Latin antimōnium, of uncertain origin

Example Sentences

The industries include brewing, saw-milling, lace-making and antimony mining and founding.

From Project Gutenberg

They do so even yet, and when antimony was administered there was no doubt about its working.

From Project Gutenberg

Cats attacked in this way are called, by the natives, azorochados, and antimony is alleged to be the cause of the distemper.

From Project Gutenberg

Antimonialis, L. Pertaining to, composed of, or containing antimony.

From Project Gutenberg

In pharmacy, as a source of both oxychloride and oxide of antimony.

From Project Gutenberg