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pure

[pyoo r]
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adjective, pur·er, pur·est.
  1. free from anything of a different, inferior, or contaminating kind; free from extraneous matter: pure gold; pure water.
  2. unmodified by an admixture; simple or homogeneous.
  3. of unmixed descent or ancestry: a pure breed of dog.
  4. free from foreign or inappropriate elements: pure Attic Greek.
  5. clear; free from blemishes: pure skin.
  6. (of literary style) straightforward; unaffected.
  7. abstract or theoretical (opposed to applied): pure science.
  8. without any discordant quality; clear and true: pure tones in music.
  9. absolute; utter; sheer: to sing for pure joy.
  10. being that and nothing else; mere: a pure accident.
  11. clean, spotless, or unsullied: pure hands.
  12. untainted with evil; innocent: pure in heart.
  13. physically chaste; virgin.
  14. ceremonially or ritually clean.
  15. free of or without guilt; guiltless.
  16. independent of sense or experience: pure knowledge.
  17. Biology, Genetics.
    1. homozygous.
    2. containing only one characteristic for a trait.
  18. Phonetics. monophthongal.
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Origin of pure

1250–1300; Middle English pur < Old French < Latin pūrus clean, unmixed, plain, pure
Related formspure·ness, nounhy·per·pure, adjectivehy·per·pure·ly, adverbhy·per·pure·ness, nounsu·per·pure, adjectiveun·pure, adjectiveun·pure·ly, adverbun·pure·ness, noun

Synonyms

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1. unmixed, unadulterated, unalloyed, uncontaminated, untainted, unstained, undefiled, untarnished, immaculate, unpolluted, uncorrupted. 12. modest, virtuous, undefiled.

Synonym study

1. See clean.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for purest

pure

adjective
  1. not mixed with any extraneous or dissimilar materials, elements, etcpure nitrogen
  2. free from tainting or polluting matter; clean; wholesomepure water
  3. free from moral taint or defilementpure love
  4. (prenominal) (intensifier)pure stupidity; a pure coincidence
  5. (of a subject, etc) studied in its theoretical aspects rather than for its practical applicationspure mathematics; pure science Compare applied
  6. (of a vowel) pronounced with more or less unvarying quality without any glide; monophthongal
  7. (of a consonant) not accompanied by another consonant
  8. of supposedly unmixed racial descent
  9. genetics biology breeding true for one or more characteristics; homozygous
  10. music
    1. (of a sound) composed of a single frequency without overtones
    2. (of intervals in the system of just intonation) mathematically accurate in respect to the ratio of one frequency to another
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Derived Formspureness, noun

Word Origin

C13: from Old French pur, from Latin pūrus unstained
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for purest

pure

adj.

c.1300 (late 12c. as a surname, and Old English had purlamb "lamb without a blemish"), "unmixed," also "absolutely, entirely," from Old French pur "pure, simple, absolute, unalloyed," figuratively "simple, sheer, mere" (12c.), from Latin purus "clean, clear; unmixed; unadorned; chaste, undefiled," from PIE root *peue- "to purify, cleanse" (cf. Latin putus "clear, pure;" Sanskrit pavate "purifies, cleanses," putah "pure;" Middle Irish ur "fresh, new;" Old High German fowen "to sift").

Replaced Old English hlutor. Meaning "free from moral corruption" is first recorded mid-14c. In reference to bloodlines, attested from late 15c.

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Online Etymology Dictionary, © 2010 Douglas Harper

purest in Medicine

pure

(pyur)
adj.
  1. Having a homogeneous or uniform composition; not mixed.
  2. Free from adulterants or impurities.
  3. Produced by self-fertilization or continual inbreeding; homozygous.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.