prevention

noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about prevention at Wordnik → Where our words come from →

1. The act of preventing or hindering; obstruction of action, access, or approach; thwarting.

   a fire prevention campaign

2. Any measure intended to limit health-related risks (such as information campaigns, vaccination, early diagnosis etc.).
3. The act of going, or state of being, before.