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Propagate vs Null - What's the difference?

propagate | null |

As a verb propagate

is to cause to continue or multiply by generation, or successive production; -- applied to animals and plants; as, to propagate a breed of horses or sheep; to propagate a species of fruit tree.

As a noun null is

zero, nil; the cardinal number before einn.

propagate

English

Verb

  • To cause to continue or multiply by generation, or successive production; -- applied to animals and plants; as, to propagate a breed of horses or sheep; to propagate a species of fruit tree.
  • To cause to spread to extend; to impel or continue forward in space; as, to propagate sound or light.
  • To spread from person to person; to extend the knowledge of; to originate and spread; to carry from place to place; to disseminate
  • * Daniel Defoe
  • The infection was propagated insensibly.
  • * {{quote-news
  • , year=2011 , date=December 19 , author=Kerry Brown , title=Kim Jong-il obituary , work=The Guardian citation , page= , passage=The DPRK propagated an extraordinary tale of his birth occurring on Mount Baekdu, one of Korea's most revered sites, being accompanied by shooting stars in the sky. It is more likely that he was born in a small village in the USSR, while his father was serving as a Soviet-backed general during the second world war.}}
  • (obsolete) To multiply; to increase.
  • * Shakespeare
  • Griefs of mine own lie heavy in my breast, / Which thou wilt propagate .
  • To generate; to produce.
  • * De Quincey
  • Motion propagated motion, and life threw off life.
  • To have young or issue; to be produced or multiplied by generation, or by new shoots or plants; as, rabbits propagate rapidly.
  • (computing) To take effect on all relevant devices in a network.
  • It takes 24 hours for password changes to propagate throughout the system.
  • (computing) To cause to take effect on all relevant devices in a network.
  • The server propagates the password file at midnight each day.

    Derived terms

    * propagation * propagator

    References

    * ----

    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 ----