What does "antimony" mean?

A chemical element (symbol Sb, from Latin stibium) with an atomic number of 51: in its stable allotrope, a lustrous gray and very brittle metal.

What is a synonym for "antimony"?

Common synonyms include: alabaster, arsenic, asphalt, atomic number 51, ddt, mineral.

Pronounced //ˈæn.tɪˌmoʊ.ni//.

/ˈæn.tɪˌmoʊ.ni/ noun

noun ·Rare ·Advanced level

Noun

1
A chemical element (symbol Sb, from Latin stibium) with an atomic number of 51: in its stable allotrope, a lustrous gray and very brittle metal. countable, uncountable
"Deep in the Salmon River Mountains, an Idaho mining company, Perpetua Resources, is proposing a vast open-pit gold mine that would also produce 115 million pounds of antimony — an element that may be critical to manufacturing the high-capacity liquid-metal batteries of the future."
2
a metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite wordnet
3
The alloy stibnite. countable, uncountable
"In quality synergistic additives in a composition use oxide antimonies."

"Mineral resources include silver, gold, uranium, antimony, tungsten, and coal."

From Medieval Latin antimonium, attested in the 11th century; see also the Wikipedia section.