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Don vs Null - What's the difference?

don | null |

As nouns the difference between don and null

is that don is (science) (dissolved organic nitrogen) while null is zero, nil; the cardinal number before einn.

don

English

Etymology 1

From (etyl) dominus'', "lord", "head of household", akin to Spanish ''don'' and Italian ''dom''; from ''domus'', "house", + diminutive suffix ''-inus . Compare dominie.

Noun

(en noun)
  • A university professor, particularly one at Oxford or Cambridge.
  • A mafia boss.
  • Derived terms
    * donnish

    Etymology 2

    A contraction of (etyl) do on. Compare also doff.

    Verb

    (donn)
  • (clothing) to put on, to dress in
  • To don one's clothes.
    Antonyms
    * (put on clothes)
    See also
    * (l) * (l)

    Anagrams

    * ----

    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 ----