impurity

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. worthless or dangerous material that should be removed (Freq. 8)
- there were impurities in the water
• Syn:
dross
• Derivationally related forms:
impure
• Hypernyms:
waste, waste material, waste matter, waste product
2. the condition of being impure (Freq. 3)
• Syn:
impureness
• Ant:
purity
• Derivationally related forms:
impure (for: impureness)
• Hypernyms:
condition, status
• Hyponyms:
adulteration, debasement, admixture, alloy, contamination,
taint, dirtiness, putridity, pollution

• Từ đồng nghĩa / Synonyms:
  impureness, dross
• Từ trái nghĩa / Antonyms:
  purity, pureness