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prophylactic prophylactic
adjective medical 
/ˌprɒfəˈlæktɪk/
/ˌprɒfəˈlæktɪk/ - intended to prevent disease or infection 预防（疾病或感染）的；预防性的Synonyms and related wordsWords used to describe medical treatments, appliances and medicines: antenatal, antibacterial, aseptic...
noun [C] /ˌprɒfəˈlæktɪk/
/ˌprɒfəˈlæktɪk/ | singular | prophylactic |
| plural | prophylactics |
- 1medical a medicine or treatment used for preventing disease or infection （疾病或感染的）预防药，预防治疗Synonyms and related wordsTypes and forms of medicine: amphetamine, anabolic steroid, anaesthesia...
- 2American formal a condom 安全套；避孕套Synonyms and related wordsBirth control: abortion, abortionist, barrier method...
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