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Attenuate vs Decrease - What's the difference?

attenuate | decrease |

In lang=en terms the difference between attenuate and decrease

is that attenuate is to rarefy while decrease is to make (a quantity) smaller.

As verbs the difference between attenuate and decrease

is that attenuate is to reduce in size, force, value, amount, or degree while decrease is of a quantity, to become smaller.

As an adjective attenuate

is (botany|of leaves) gradually tapering into a petiole-like extension toward the base.

As a noun decrease is

an amount by which a quantity is decreased.

attenuate

English

Verb

(attenuat)
  • To reduce in size, force, value, amount, or degree.
  • * 1874 , , Far From the Madding Crowd , ch. 40:
  • A manor-house clock from the far depths of shadow struck the hour, one, in a small, attenuated tone.
  • To make thinner, as by physically reshaping, starving, or decaying.
  • * 1899 , , His New Mittens , ch. 4:
  • Clumps of attenuated turkeys were suspended here and there.
  • * 1906 , , The Malefactor , ch. 1:
  • Lovell, wan and hollow-eyed, his arm in a sling, his once burly frame gaunt and attenuated with disease, nodded.
  • To weaken.
  • * Coleridge
  • The attention attenuates as its sphere contracts.
  • * Sir F. Palgrave
  • We may reject and reject till we attenuate history into sapless meagreness.
  • To rarefy.
  • * 1901 , , The First Men in the Moon , ch. 23:
  • "It speedily became apparent that the entire strangeness of our circumstances and surroundings—great loss of weight, attenuated but highly oxygenated air, consequent exaggeration of the results of muscular effort, rapid development of weird plants from obscure spores, lurid sky—was exciting my companion unduly."
  • (medicine) To reduce the virulence of a bacteria or virus.
  • (electronics) To reduce the amplitude of an electrical signal.
  • Antonyms

    * amplify (electronics)

    Derived terms

    * attenuation * attenuable

    Adjective

    (en adjective)
  • (botany, of leaves) Gradually tapering into a petiole-like extension toward the base.
  • ----

    decrease

    English

    Verb

    (decreas)
  • Of a quantity, to become smaller.
  • To make (a quantity) smaller.
  • Synonyms

    * (become smaller) drop, fall, go down, plummet (rapidly), plunge (rapidly), reduce, shrink, sink * (make smaller) abate, cut, decrement, lower, reduce

    Antonyms

    * (become larger) go up, grow, increase, rise, soar (rapidly), shoot up (rapidly) * (make larger) increase, increment, raise, up (informal)

    Noun

    (en noun)
  • An amount by which a quantity is decreased.
  • (knitting) A reduction in the number of stitches, usually accomplished by suspending the stitch to be decreased from another existing stitch or by knitting it together with another stitch. See .
  • Synonyms

    * (amount by which a quantity is decreased) cut, decrement, drop, fall, loss, lowering, reduction, shrinkage

    Antonyms

    * (amount by which a quantity is decreased) gain, increase, increment, raise , rise