impact
verb
- to collide with, hit, strike
- to compress [transitive], be very firmly packed [intransitive]
- to affect, have an effect on
noun
- high force or shock applied over a short time period when two or more bodies collide
- act or process of colliding with, hitting, striking
- having an effect on
Wiktionary
Pronunciation: /ˈɪmpækt/ / /ɪmˈpækt/
noun
Etymology: Attested since the 17th century, from Latin impāctus.
- The striking of one body against another; collision.
- The force or energy of a collision of two objects.
“The hatchet cut the wood on impact.”
- A forced impinging.
“His spine had an impingement; L4 and L5 made impact, which caused numbness in his leg.”
- 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
Etymology: Attested since the 17th century, from Latin impāctus.
- 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.”
- 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.”
- To significantly or strongly influence or affect; to have an impact on.
“I can make the changes, but it will impact the schedule.”
- To stamp or impress onto something.
“Ideas impacted on the mind.”