felspar

Từ điển Oxford Learners Wordfinder Dictionary

noun

any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium
• Syn:
feldspar
• Hypernyms:
spar
• Hyponyms:
orthoclase, plagioclase, oligoclase, moonstone
• Substance Meronyms:
silicon, Si, atomic number 14