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preventer

preventer

3 3.8
Something that stops or reduces the chance of harm
  • noun
  • /prɪˈvɛntər/
translation icon : prevención
  • To clarify, a backflow preventer will stop any water from passing into municipal pipes.
  • backflow preventer

And wears, you know, we're a visor and that's the number one preventer of getting faced out by a by a booty piece man.

Examples

  • Even when there is a break in the street, water cannot be siphoned by a backflow preventer.

    Blog text (25)
  • The hearing is examining why the rig's blowout preventer failed to stop what eventually became the largest offshore oil spill in U.S. history.

    Blog text (2)
  • However, had the blowout preventer not failed, the spill that you see would not have happened.

  • But most of all, I highly recommend installing a backflow preventer rather than "cutting supply off from the street."

    Blog text (25)
  • These enclosures were designed to provide freeze and vandalism protection for backflow preventers, pumps, valves, and meters.

    Academic text (1998)
  • Usually, backflow preventers are considered only for commercial/industrial applications, but they should also be placed on residential service lines when the residence is used as a commercial establishment (e.g., hair salon, dog grooming, photo processing, etc.).

    Academic text (2003)
  • A smoke detector is a crucial preventer of fires in any home.

  • Using sunblock is an effective preventer of skin damage caused by UV rays.

  • The team identified the new software as a preventer of data loss during system failures.

Synonyms

countermeasure
vspreventer
  • Specialized
33 6.5

Something that prevents or reduces harm

is used more generally to stop events or lower their chance
mitigator
vspreventer
1 6.3

A person or thing that makes a bad situation less serious

is focused on stopping events or lowering chance rather than reducing harm
interrupter
vspreventer
1 4.0

A person or thing that stops the normal flow of activity

is about stopping or lowering chance rather than causing a short break
prohibitor
vspreventer
1 7.7

A person or thing that stops something from happening

is broader and also lowers the chance of events rather than only blocking them
protectant
vspreventer
5.8

Giving a layer that keeps things safe from damage

is aimed at stopping events or lowering their chance rather than forming a layer
obviator
vspreventer
  • Formal
9.9

Something or someone that removes a problem so work can continue

is about stopping events or lowering risk instead of clearing obstacles
arrestor
vspreventer
  • Specialized
6.1

A device that stops or slows moving parts to keep people safe

is broader stopping or lowering chance beyond just physical motion
arrester
vspreventer
  • Specialized
6.5

A device that stops movement or limits flow in machines and electrical systems

is general and covers many areas not only technical systems

Antonyms

55 5.0

A person or event that quickly causes an important change

11 4.6

Something that helps people or groups succeed

How Preventative

barrier
309 3.7
preventer
3 3.8
protector
129 2.8
warning sign
54 1.6

Surface Forms

preventer singular
preventers plural

Morphology

preventer = prevent (transparent) = prevent + er

Standard agent/instrument formation: 'prevent' + '-er' yields 'one or something that prevents'.

Etymology

Preventer comes from an old Latin verb made of pre- 'before' and venire 'to come', so it literally means to come before a problem and stop it. That's why a smoke alarm or a vaccine is called a preventer: it acts early to stop danger from happening.