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Wiktionary
impactor

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

Wikipedia
Impactor

Impactor may refer to:

  • A large meteoroid, asteroid, comet, or other celestial object which causes an impact event
  • Impactor (Transformers), a fictional character
  • Impactor (spacecraft), a craft designed for high velocity landing
  • Impactor (air pollution), a dispositive for air quality measurement
  • An impact wrench, a power tool
  • Impactor (Project Management), Name for a role required by a formal Change-Board's closed-loop reporting procedures to provide detailed Cost, Schedule, and/or Technical change comments (IMPACTS)and or concurrence/non-concurrence type assessment(s). Typically used in a technical program/project managed environment. Example of use: "Are you sure all your Impactors had enough time to get with their suppliers to see if they can comply with this Change Request?"

Usage examples of "impactor".

Sarah Levine has changed her mind about going to Lacaille 9352 to work on the fabrication and the launch of its impactor for the BHP.

Debris splashed from the collision could easily interfere with the vast solar arrays and beam drivers needed to send their impactor on its way.

Maybe we could just kidnap him, put him on ice until after the impactor flies.

The impactor launch was back on schedule, albeit with the smallest of windows.

He, Judi, Cyan, and Liz took a shuttle out to the launch site, a point, high over the asteroid belt, where the impactor coasted, waiting for the main beam.

We can make up the total momentum after diverting the planetoid and let the impactor control system get things back in sync again.

We have to put that impactor on exactly the prescribed profile if we humanly can.

But that diversion would also throw the impactor off profile, perhaps irretrievably so.

I was just checking with the site on how impactor fabrication was doing.

Each impactor and each launch had to meet exacting specification and schedule constraints to make the implosion as symmetrical as physics would allow, or the biggest fiasco in human history would result.

Hilda caught her breath as she approached the nearly completed impactor with staff members Phil Stavros, Shira Hassan, Naomi Abila, and her brother Ted Abila.

The lines holding the superconducting loops that would pull the impactor up to a gamma of ten looked exceedingly thin, but up close, Hilda could see they were more complex.

What if we send our impactor into that asteroid against legitimate orders?

By that time, she realized, the impactor would be launched and the last pusher pellets en route to it.

Meanwhile, impactor launch preparations were coming to a head, but Hilda still had nothing other than physics and faith in her colleagues that they would prove the delay message was, indeed, fake.