impactor

/ษชmหˆpรฆktษ™/

IPA: /IH0 M P AE1 K T ER0/

noun
  1. 1

    Any of several machines or devices in which a part impacts on another, or on a material.

  2. 2

    An object which impacts another.

Source: https://en.wiktionary.org/wiki/impactor