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Headstamp vs Null - What's the difference?

headstamp | null |

As nouns the difference between headstamp and null

is that headstamp is (military|firearms) the identification marking on the base (bottom) of a cartridge casing while null is zero, nil; the cardinal number before einn.

headstamp

English

Noun

(en noun)
  • (military, firearms) The identification marking on the base (bottom) of a cartridge casing.
  • 2009 Chivers, C.J. (The New York Times), Is U.S. Ammo going to Taliban? ; run in Austin American-Statesman, May 20, 2009, p A-1:
  • :* Photographs were taken of the weapons' serial numbers and [of the] markings on the bottoms of the cartridge casings, known as headstamps , which can reveal where and when ammunition was made.
  • References

    * Here, add reliable references defining or describing the word.

    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 ----