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Lifespan vs Null - What's the difference?

lifespan | null |

As nouns the difference between lifespan and null

is that lifespan is the length of time for which an organism lives while null is zero, nil; the cardinal number before einn.

lifespan

English

Alternative forms

* life span

Noun

(wikipedia lifespan) (en noun)
  • The length of time for which an organism lives.
  • *{{quote-magazine, year=2012, month=March-April
  • , author=Anna Lena Phillips , title=Sneaky Silk Moths , volume=100, issue=2, page=172 , magazine=(American Scientist) citation , passage=Last spring, the periodical cicadas emerged across eastern North America. Their vast numbers and short above-ground life spans inspired awe and irritation in humans—and made for good meals for birds and small mammals.}}
    Some clams have lifespans far longer than those of human beings.
  • (by extension)  The length of time for which something exists or is current or valid.
  • * 2002 , Luis M Camarinha-Matos, Collaborative business ecosystems and virtual enterprises
  • The virtual enterprise forum developed several "classical" management functions for which resources were available throughout its lifespan .

    Synonyms

    * lifetime

    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 ----