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Reference vs Null - What's the difference?

reference | null |

As a noun null is

zero, nil; the cardinal number before einn.

reference

English

Noun

(en noun)
  • A relationship or relation ((to) something).
  • *, III.1.3:
  • all these are far more eminent and great, when they shall proceed from a sanctified spirit, that hath a true touch of religion and a reference to God.
  • A measurement one can compare to.
  • Information about a person, provided by someone (a referee) with whom they are well acquainted
  • A reference work.
  • (semantics) A relation between objects in which one object designates, or acts as a means by which to connect to or link to, another object.
  • (academic writing) A short written identification of a previously published work which is used as a source for a text.
  • (academic writing) A previously published written work thus indicated; a source.
  • (programming) An object containing information which refers to data stored elsewhere, as opposed to containing the data itself.
  • (programming, character entity) A special sequence used to represent complex characters in a web page such as ™ or €.
  • (obsolete) appeal
  • * Shakespeare
  • Make your full reference .

    Derived terms

    * * * * * * * *

    See also

    * sense

    Verb

    (referenc)
  • to refer to, to make reference to, to cite
  • Reference the dictionary for word meanings.
  • to mention
  • Usage notes

    * Some authorities object to the use of reference as a verb, preferring "refer to" or "cite".

    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 ----