impact

Definition from Wiktionary, a free dictionary

Contents 1 English 1.1 Etymology 1.2 Pronunciation 1.3 Noun 1.3.1 Derived terms 1.3.2 Related terms 1.3.3 Translations 1.4 Verb 1.4.1 Usage notes 1.4.2 Translations 2 French 2.1 Noun

[edit] English

[edit] Etymology

From Latin impingere (“‘to dash against, impinge’”)

[edit] Pronunciation

• (noun): enPR: imʹpăkt, IPA: /ˈɪmpækt/, SAMPA: /"Imp{kt/
• (verb): enPR: im-păktʹ, IPA: /ɪmˈpækt/, SAMPA: /Im"p{kt/
  • Rhymes: -ækt

[edit] Noun

impact (plural impacts)

1. The force or energy of a collision of two objects.

   The hatchet cut the wood on impact.

2. (chiefly medicine) A forced impinging.

   His spine had an impingement; L4 and L5 made impact, which caused numbness in his leg.

3. 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.

[edit] Derived terms

[edit] Related terms

• impinge

[edit] Translations

[edit] Verb

to impact (third-person singular simple present impacts, present participle impacting, simple past and past participle impacted)

1. (transitive) 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.

2. (transitive, proscribed) To influence; to affect; to have an impact on.

   I can make the changes, but it will impact the schedule.

3. (transitive) To collide or strike.

   When the hammer impacts the nail, it bends.

[edit] Usage notes

Some authorities object to the use of impact to mean "to influence; to affect; to have an impact on" or to mean "to collide or strike". Such usage seems to be an adaptation of the colloquial noun form of impact to use as a verb.

[edit] Translations

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[edit] French

[edit] Noun

impact

1. impact