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Duct vs Null - What's the difference?

duct | null |

As nouns the difference between duct and null

is that duct is a pipe, tube or canal which carries gas or liquid from one place to another while null is zero, nil; the cardinal number before einn.

As a verb duct

is to channel something through a duct (or series of ducts).

duct

English

(Wikipedia)

Noun

(en noun)
  • A pipe, tube or canal which carries gas or liquid from one place to another.
  • heating and air-conditioning ducts
  • An enclosure or channel for electrical cable runs.
  • (obsolete) Guidance; direction.
  • otherwise to express His care and love to mankind, viz., in giving and consigning to them His written word for a rule and constant director of life, not leaving them to the duct of their own inclinations. — Henry Hammond.

    Derived terms

    * ductal * ducted * ducting * ductor * duct tape * Mullerian ducts * Wolffian ducts

    Verb

    (en verb)
  • To channel something through a duct (or series of ducts)
  • 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 ----