impactors

/ɪmˈpæktərz/
noun
  1. Objects that strike or hit something, especially in space or science.
    • The meteor shower produced many small impactors that hit the Earth's atmosphere.
    • Scientists analyzed the craters made by tiny impactors on the moon.
    • The spacecraft released two impactors to study the surface of the asteroid.
  2. People or things that have a strong effect or influence on something.
    • New laws can be powerful impactors on public health and safety.
    • Social media influencers are major impactors on young people's buying habits.
    • The teacher was one of the biggest impactors in her students' lives.
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