Definition of "noise"

noise

/nɔɪz/

noun
countable and uncountable, plural noises
1. (uncountable) Various sounds, usually unwanted or unpleasant.
  Quotations
  The heavens turn about in a most rapid motion without noise to us perceived.
  1631, Francis [Bacon], “(please specify |century=I to X)”, in Sylua Syluarum: Or A Naturall Historie. In Ten Centuries. […], 3rd edition, London: […] William Rawley; [p]rinted by J[ohn] H[aviland] for William Lee […]
  Charles had not been employed above six months at Darracott Place, but he was not such a whopstraw as to make the least noise in the performance of his duties when his lordship was out of humour.
  1959, Georgette Heyer, chapter 1, in The Unknown Ajax
2. Any sound.
3. Sound or signal generated by random fluctuations.
4. (technology) Any part of a signal or data that reduces the clarity, precision, or quality of the desired output.
  Quotations
  On the technical side, the scanning and OCR of texts, in combination with the graphic design of high school text books, introduced a certain level of noise into the corpus which in turn led to a higher tagging error rate than usual and may affect count precision.
  2018, Clarence Green, James Lambert, “Position vectors, homologous chromosomes and gamma rays: Promoting disciplinary literacy through Secondary Phrase Lists”, in English for Specific Purposes, page 11
5. (figurative, by extension) Unwanted fuss or bustle; useless activity.
  Quotations
  In order to provide coherence and confidence, the leader must dramatically turn down the noise level in the organization, eliminate any unnecessary distractions that inevitably get in the way of execution, and banish the fear of uncertainty.
  2013, R. Douglas Williamson, Straight Talk on Leadership: Solving Canada's Business Crisis
6. (genetics) The measured level of variation in gene expression among cells, regardless of source, within a supposedly identical population.
7. Rumour or complaint.
  Quotations
  What noise have we had for fome Years about Transplantation of diseases and transfusion of blood!
  1709-1710, Thomas Baker, Reflections on Learning
  He [Socrates] lived in Athens during the great plague, which has made so much noise through all ages.
  October 13, 1711, Joseph Addison, The Spectator, No. 195
8. (informal) Speech that is suggestive of an attitude or opinion.
  Quotations
  Despite encouraging noises made by politicians from time to time, the two sides there have never been further from an agreement.
  2012, Richard Oliver Collin, Pamela L. Martin, An Introduction to World Politics, page 425
9. (obsolete) Music, in general; a concert; also, a company of musicians; a band.
  Quotations
  The king has his noise of gypsies.
  1621 August 13 (first performance; Gregorian calendar), Ben Jonson, “The Masque of the Gypsies”, in Q. Horatius Flaccus: His Art of Poetry. […], London: […] J[ohn] Okes, for John Benson […], published 1640
  That we on earth, with undiscording voice, / May rightly answer that melodious noise
  1646 (indicated as 1645), John Milton, “At A Solemn Musick”, in Poems of Mr. John Milton, […], London: […] Ruth Raworth for Humphrey Mosely, […]
10. (music) A genre of rock music that uses static and other non-musical sounds, also influenced by art rock.
verb
third-person singular simple present noises, present participle noising, simple past and past participle noised
1. (intransitive) To make a noise; to sound.
  Quotations
  Those terrours, which thou speak'st of, did me none ; I never fear'd they could, though noising loud And threatening nigh
  1667, John Milton, “(please specify the book number)”, in Paradise Lost. […], London: […] [Samuel Simmons], […]; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873,
2. (transitive) To spread news of; to spread as rumor or gossip.
  Quotations
  When this was noysed aboute, the multitude cam togedder and were astonyed, because that every man herde them speake in his awne tongue.
  1526, [William Tyndale, transl.], The Newe Testamẽt […] (Tyndale Bible), [Worms, Germany: Peter Schöffer], Acts ]
  This man then meeting with Chriſtian, and having ſome inckling of him, for Chriſtians ſetting forth from the City of Deſtruction was much noiſed abroad, not only in the Town, where he dwelt, but alſo it began to be the Town-talk in ſome other places.
  1678, John Bunyan, The Pilgrim’s Progress from This World, to That which is to Come: […], London: […] Nath[aniel] Ponder […]; reprinted in The Pilgrim’s Progress as Originally Published by John Bunyan: Being a Fac-simile Reproduction of the First Edition, London: Elliot Stock […], 1875, page 17

Definition of "noise"

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