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Atrium vs Null - What's the difference?

atrium | null |

As nouns the difference between atrium and null

is that atrium is atrium (a square hall lit from above) while null is zero, nil; the cardinal number before einn.

atrium

English

(wikipedia atrium)

Noun

(en-noun)
  • (architecture) A central room or space in ancient Roman homes, open to the sky in the middle; a similar space in other buildings.
  • (architecture) A square hall lit by daylight from above, into which rooms open at one or more levels.
  • (anatomy) Any enclosed sexine and nexine layers, widening toward the interior of the grain.
  • * {{quote-book, 1965, Janet Kircher Warter, Palynology of a Lignite of Lower Eocene (Wilcox) Age from Kemper County citation
  • , passage=Nexine 0.5? thick, separating from the sexine about 5? from the pore and forming a deep, well-defined atrium .}}

    Synonyms

    * (room in Roman homes) cavaedium

    Derived terms

    * atrial * atriate English nouns with irregular plurals ----

    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 ----