prophylactic

US /ˌproʊ.fɪˈlæk.tɪk/
UK /ˌproʊ.fɪˈlæk.tɪk/
"prophylactic" picture
1.

预防性的, 预防的

intended to prevent disease

:
The doctor prescribed a prophylactic antibiotic to prevent infection.
医生开了一种预防性抗生素来预防感染。
Wearing a mask can be a prophylactic measure against airborne diseases.
戴口罩可以作为预防空气传播疾病的预防性措施。
1.

预防药, 预防措施

a medicine or treatment designed to prevent disease

:
He takes a daily prophylactic against malaria.
他每天服用一种预防药来预防疟疾。
The vaccine acts as a powerful prophylactic.
这种疫苗是一种强大的预防剂
2.

避孕套, 安全套

a condom

:
Always use a prophylactic to prevent sexually transmitted infections.
始终使用避孕套以预防性传播感染。
He carried a prophylactic in his wallet.
他的钱包里装着一个避孕套