Definition of preventer in English:


Line breaks: pre|vent¦er
Pronunciation: /prɪˈventə


  • 1A person or thing that prevents something: a power-surge preventer
    More example sentences
    • On the other hand, birth control pills are an effective preventer of pregnancy, which is in turn a powerful risk factor for thrombosis.
    • Preventive war rests on the premise that the preventer has accurate and reliable knowledge about the evil enemy's capabilities and intentions.
    • There are two main kinds of asthma medicine, both of which involve inhalers - relievers and preventers.
  • 1.1 Sailing An extra line or wire rigged to support a piece of rigging under strain, or to hold the boom and prevent it from gybing.

More definitions of preventer

Definition of preventer in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day maelstrom
Pronunciation: ˈmeɪlstrəm
a powerful whirlpool in the sea