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Pi vs Null - What's the difference?

pi | null |

As nouns the difference between pi and null

is that pi is foot while null is zero, nil; the cardinal number before einn.

pi

English

Noun

(en noun)
  • The name of the sixteenth letter of the Classical and Modern Greek alphabets and the seventeenth in Old Greek.
  • (mathematics) An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its diameter; approximately 3.1415926535897932384626433832795; usually written .
  • (metal typesetting) Metal type that has been spilled, mixed together, or disordered. Also called pie.
  • Synonyms

    * (irrational constant) Archimedes' constant, Ludolph's constant, Ludolph's number

    Verb

  • (metal typesetting) To spill or mix printing type. Also, "to pie".
  • Adjective

    (-)
  • (typography) Not part of the usual font character set; especially, non-Roman type or symbols as opposed to standard alphanumeric Roman type.
  • In computing, pi characters are entered with special combinations of keys like ctrl-alt-x, or via character sequences such as &
  • 123;.
  • Abbreviation

    (Abbreviation) (head)
  • (typography) pica (conventionally, 12 points = 1 pica, 6 picas = 1 inch)
  • piaster
  • pious
  • Anagrams

    * English two-letter words ----

    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 ----