Word · Frequency #19155
preventative
/priˈventətɪv/
noun
预防药
remedy that prevents or slows the course of an illness or disease
- 1.
remedy that prevents or slows the course of an illness or disease
预防药
- 2.
any obstruction that impedes or is burdensome
障碍
- 3.
an agent or device intended to prevent conception
避孕工具
避孕工具；障碍；预防法；预防措施；预防物
In use
The doctor prescribed a preventative to help lower her risk of heart disease.
Regular exercise is often called a good preventative against the common cold.
Some people keep vitamin C pills as a preventative when traveling abroad.
Connections
Collocations
- a preventative against
- 预防……的药物或措施
- Regular exercise can be a preventative against heart disease.经常锻炼可以预防心脏病。
- an effective preventative
- 有效的预防药或预防措施
- This vaccine is an effective preventative for the flu.这种疫苗是预防流感的有效手段。
- use a preventative
- 使用预防药；采取预防措施
- Doctors recommend using a preventative if you travel to high-risk areas.医生建议，如果你前往高风险地区，应使用预防药物。
- as a preventative
- 作为预防措施
- Some people take garlic as a preventative against colds.有些人服用大蒜作为感冒的预防措施。
Synonyms
- preventive
- 预防药；预防措施 · preventive 与 preventative 基本同义，常可互换；preventive 更简洁，在医学和正式写作中更常用。
Learner notes
Memory Tip
联想 prevent（阻止、预防）：preventative 就是“用来预防/阻止的东西”，如预防药、避孕工具、障碍。
Context & Register
语域：neutral 常见场景：medical consultations、pharmacy labels、health articles 作为名词，preventative 多用于医疗或保健语境，可指预防药、障碍或避孕工具；具体含义视上下文而定。
Pronunciation & Spelling
以 -ative 结尾的 representative、tentative、conservative、laxative、affirmative 都与 preventative 的尾部拼写和读音 /ətɪv/ 相同，但重音位置不同，因此并不真正押韵。preventive 是容易看错的形近词：它没有 -ative 中的 /ə/ 音节，读作 /prɪˈvɛntɪv/。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.