| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024an•ti•mo•ny /ˈæntəˌmoʊni/USA pronunciation n. [uncountable]- a brittle white metallic element used chiefly in alloys and in compounds in medicine.
WordReference Random House Unabridged Dictionary of American English © 2024an•ti•mo•ny (an′tə mō′nē),USA pronunciation n. [Chem.]- a brittle, lustrous, white metallic element occurring in nature free or combined, used chiefly in alloys and in compounds in medicine. Symbol: Sb;
at. no.: 51;
at. wt.: 121.75.
- dialect, dialectal Arabic uthmud
- Medieval Latin antimōnium, perh.
- late Middle English antimonie 1375–1425
Collins Concise English Dictionary © HarperCollins Publishers:: antimony /ˈæntɪmənɪ/ n - 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
Etymology: 15th Century: from Medieval Latin antimōnium, of uncertain origin |