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Pur vs Null - What's the difference?

pur | null |

As an adjective pur

is pure.

As a noun null is

zero, nil; the cardinal number before einn.

pur

English

Noun

(en noun)
  • (low murmuring sound as of a cat)
  • * 1895 , Jacob Mendes Da Costa, Medical diagnosis (page 294)
  • The first — called by Laennec, from its resemblance to the pur of a cat, the purring tremor — is nearly always indicative of a valvular lesion. The second is caused by the to-and-fro motion of a roughened pericardium.

    Verb

  • * John G. C. Brainard
  • And there the wild-cat purs amid her brood.
  • * 1840 , The Visitor: Or, Monthly Instructor (page 182)
  • It appears to me, past all doubt, that its [the goatsucker's] notes are formed by organic impulse, by the parts of its windpipe formed for sound, just as cats pur .
    ----

    null

    English

    Noun

    (en noun)
  • A non-existent or empty value or set of values.
  • Zero]] quantity of [[expression, expressions; nothing.
  • (Francis Bacon)
  • Something that has no force or meaning.
  • (computing) the ASCII or Unicode character (), represented by a zero value, that indicates no character and is sometimes used as a string terminator.
  • (computing) the attribute of an entity that has no valid value.
  • Since no date of birth was entered for the patient, his age is null .
  • One of the beads in nulled work.
  • (statistics) null hypothesis
  • Adjective

    (en adjective)
  • Having no validity, "null and void"
  • insignificant
  • * 1924 , Marcel Proust, Within a Budding Grove :
  • In proportion as we descend the social scale our snobbishness fastens on to mere nothings which are perhaps no more null than the distinctions observed by the aristocracy, but, being more obscure, more peculiar to the individual, take us more by surprise.
  • absent or non-existent
  • (mathematics) of the null set
  • (mathematics) of or comprising a value of precisely zero
  • (genetics, of a mutation) causing a complete loss of gene function, amorphic.
  • Derived terms

    * nullity

    Verb

    (en verb)
  • to nullify; to annul
  • (Milton)

    See also

    * nil ----