i Register
In some senses, impact is marked as figuratively, rare. Watch for register when choosing this word.
impact
UK /ˈɪmpækt/ US /ˈɪmpækt/
noun 4verb 4
Definitions
noun
1
The striking of one body against another; collision.
2
The force or energy of a collision of two objects.
The hatchet cut the wood on impact.
3
A forced impinging.
His spine had an impingement; L4 and L5 made impact, which caused numbness in his leg.
4
A significant or strong influence or effect.
His friend's opinion had an impact on his decision.
Our choice of concrete will have a tremendous impact on the building's mechanical performance.
verb
1
To collide or strike, the act of impinging.
When the hammer impacts the nail, it bends.
As a microbullet impacts the graphene, the diameter of the cone it creates – determined by later examination of the petals – provides a way to measure how much energy the graphene absorbs before breaking.
2
To compress; to compact; to press into something or pack together.
The footprints of birds do not impact the soil in the way those of dinosaurs do.
3
To significantly or strongly influence or affect; to have an impact on.
I can make the changes, but it will impact the schedule.
4
To stamp or impress onto something.
Ideas impacted on the mind.
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