alum

Từ điển Oxford Learners Wordfinder Dictionary

noun

1. a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum
• Syn:
ammonia alum, ammonium alum
• Hypernyms:
aluminum, aluminium, Al, atomic number 13, double salt
2. a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum
• Syn:
potassium alum, potash alum
• Hypernyms:
aluminum, aluminium, Al, atomic number 13, double salt
3. a person who has received a degree from a school (high school or college or university)
• Syn:
alumnus, alumna, graduate, grad
• Derivationally related forms:
graduate (for: graduate)
• Hypernyms:
scholar, scholarly person, bookman, student
• Hyponyms:
Ivy Leaguer, old boy
4. a double sulphate of aluminum and potassium that is used as an astringent (among other things)
• Hypernyms:
astringent, astringent drug, styptic

• Từ đồng nghĩa / Synonyms:
  alumnus, alumna, graduate, grad, potassium alum, potash alum, ammonia alum, ammonium alum