prevention

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the act of preventing (Freq. 17)
- there was no bar against leaving
- money was allocated to study the cause and prevention of influenza
• Syn:
bar
• Derivationally related forms:
bar (for: bar), prevent
• Hypernyms:
hindrance, hinderance, interference
• Hyponyms:
averting, debarment, disqualification, interception, nonproliferation,
non-proliferation, obviation, forestalling, preclusion, prophylaxis, save,
suppression, crushing, quelling, stifling