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Contact vs Impact - What's the difference?

contact | impact |

In transitive terms the difference between contact and impact

is that contact is to establish communication with something or someone while impact is to collide or strike.

contact

English

Noun

(en noun)
  • The act of touching physically; being in close association.
  • * {{quote-book, year=1935, author= George Goodchild
    • , title=Death on the Centre Court, chapter=1 , passage=She mixed furniture with the same fatal profligacy as she mixed drinks, and this outrageous contact between things which were intended by Nature to be kept poles apart gave her an inexpressible thrill.}}
  • The establishment of communication (with).
  • *
    • , title=(The Celebrity), chapter=1 , passage=In the old days, […], he gave no evidences of genius whatsoever. He never read me any of his manuscripts, […], and therefore my lack of detection of his promise may in some degree be pardoned. But he had then none of the oddities and mannerisms which I hold to be inseparable from genius, and which struck my attention in after days when I came in contact with the Celebrity.}}
  • A nodule designed to connect a device with something else.
  • Someone with whom one is in communication.
  • (label) A contact lens.
  • (label) A device designed for repetitive connections.
  • Contact juggling.
  • (mining) The plane between two adjacent bodies of dissimilar rock.
    • (Raymond)

    Derived terms

    * body contact * contact hitter * contactable * eye contact * first contact * golden contact * point of contact / POC

    Verb

    (en verb)
  • To touch; to come into physical contact with.
    • The side of the car contacted the pedestrian.
  • To establish communication with something or someone
    • I am trying to contact my sister.

    impact

    English

    Noun

    (en noun)
  • 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 .
  • (chiefly, medicine) A forced impinging.
    • His spine had an impingement; L4 and L5 made impact , which caused numbness in his leg.
  • A significant or strong influence; an 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.

    Usage notes

    * Adjectives often applied to "impact": social, political, physical, positive, negative, good, bad, beneficial, harmful, significant, great, important, strong, big, small, real, huge, likely, actual, potential, devastating, disastrous, true, primary. * The adposition generally used with "impact" is "on" (such as in last example in section above) * There are English speakers who are so ). In defensive editing, the solution is to replace the figurative noun sense with effect'' and the verb sense with ''affect , which nearly always produces an acceptable result. (Rarely, a phrase such as "the impact of late effects" is better stetted to avoid "the effect of [...] effects".)

    Derived terms

    * impactful * impactive * impact statement * Western impact

    Related terms

    * impinge

    Verb

    (en verb)
  • To compress; to compact; to press or pack together.
    • If fecal incontinence is caused by impacted stool in the rectum, the impaction must be removed.
  • (proscribed) To influence; to affect; to have an on.
    • ''I can make the changes, but it will impact the schedule.
  • To collide or strike.
    • When the hammer impacts the nail, it bends.

    Usage notes

    Some authorities object to the verb sense of impact'', meaning "to influence; to affect; to have an impact on" or "to collide or strike". Although most .

    Derived terms

    * impactor