Bi

Từ điển Oxford Learners Wordfinder Dictionary

noun

a heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically);
usually recovered as a by-product from ores of other metals
• Syn:
bismuth, atomic number 83
• Derivationally related forms:
bismuthal (for: bismuth)
• Hypernyms:
metallic element, metal