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Impact vs Fluence - What's the difference?

impact | fluence |

As nouns the difference between impact and fluence

is that impact is the striking of one body against another; collision while fluence is (obsolete) fluency or fluence can be a magical or mysterious force; hypnotic power; energy.

As a verb impact

is to compress; to compact; to press or pack together.

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

    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

    fluence

    English

    Etymology 1

    (wikipedia fluence) From (etyl) fluence.

    Noun

    (en noun)
  • (obsolete) Fluency.
  • a voluble and smart fluence of tongue — Milton.
  • (physics) A measure of particle flux (or that of a pulse of electromagnetic radiation).
  • Etymology 2

    Shortened form of influence.

    Noun

    (en noun)
  • A magical or mysterious force; hypnotic power; energy.
  • * 1974 , (GB Edwards), The Book of Ebenezer Le Page , New York 2007, p. 191:
  • I don't say she would have done anything, if it had come to the point; but the fluence was on, and she got me hot.