Word · Frequency #26636
prophylactic
预防性的；防治的
Serving to prevent or protect against an undesired effect, especially disease or pregnancy.
- 1.
Serving to prevent or protect against an undesired effect, especially disease or pregnancy.
用于预防或保护免受不良影响,尤其是疾病或怀孕。
- 2.
capable of preventing conception or impregnation
能防止受孕或妊娠的
避孕的；防止受孕的；用于预防或保护免受不良影响,尤其是疾病或怀孕。；能防止受孕或妊娠的；预防性的
In use
The doctor prescribed a prophylactic treatment to prevent infection.
Washing hands regularly is a simple prophylactic measure against colds.
They carried out prophylactic maintenance on the old bridge to avoid collapse.
prophylactic + noun
形容词直接修饰名词，表示预防某疾病或问题。
The doctor recommended a prophylactic vaccine.
医生推荐了一种预防性疫苗。
be prophylactic against + noun
与against搭配，表示预防具体对象。
Regular handwashing is prophylactic against many infections.
勤洗手对许多感染有预防作用。
prophylactic measure/treatment
常见搭配，指预防性措施或治疗。
Connections
Collocations
- prophylactic treatment
- 预防性治疗
- The doctor recommended prophylactic treatment to prevent the infection from spreading.医生建议采取预防性治疗以防止感染扩散。
- prophylactic antibiotics
- 预防性抗生素
- Prophylactic antibiotics are often given before dental surgery.牙科手术前常服用预防性抗生素。
- prophylactic measures
- 预防措施
- The government introduced prophylactic measures to stop the outbreak.政府采取了预防措施以阻止疫情暴发。
- prophylactic mastectomy
- 预防性乳房切除术
- She decided to undergo a prophylactic mastectomy after genetic testing.基因检测后，她决定接受预防性乳房切除术。
Synonyms
- preventive
- 预防性的 · 在医学语境中可与prophylactic互换，但preventive更通用，也可用于其他预防领域
Learner notes
Memory Tip
联想 prophylactic 中的 lactic（乳酸）：乳酸菌可预防疾病，故意为'预防性'。
Context & Register
语域：formal 常见场景：医学语境、正式写作 prophylactic 通常用于正式或医学书面语，口语中更常见 preventive/preventative。选择时需注意语境正式程度。
Grammar Note
常用于名词前作定语或系动词后作表语。
Pronunciation & Spelling
与 prophylactic 的 /-ˈlæktɪk/ 押韵的词：lactic、galactic、tactic。注意拼写相似的 practical /ˈpræktɪkəl/ 多了 -al，发音不同；prophylaxis /ˌproʊfəˈlæksɪs/ 以 -axis 结尾，重音和尾音不同；prophetic /prəˈfɛtɪk/ 虽以 proph- 开头，但元音和重音不同。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.