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Oxygen vs Null - What's the difference?

oxygen | null |

As nouns the difference between oxygen and null

is that oxygen is a chemical element (symbol o) with an atomic number of 8 and relative atomic mass of 159994 while null is zero, nil; the cardinal number before einn.

oxygen

English

Noun

(wikipedia oxygen)
  • A chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994.
  • Molecular oxygen (O2), a colorless, odorless gas at room temperature.
  • * {{quote-magazine, year=2013, month=September-October, author= Katie L. Burke
  • , magazine=(American Scientist), title= In the News , passage=Oxygen' levels on Earth skyrocketed 2.4 billion years ago, when cyanobacteria evolved photosynthesis: the ability to convert water and carbon dioxide into carbohydrates and waste ' oxygen using solar energy. The evolutionary precursor of photosynthesis is still under debate, and a new study sheds light.}}
  • (medicine) A mixture of oxygen and other gases, administered to a patient to help him or her to breathe.
  • (countable) An atom of this element.
  • Derived terms

    * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

    Synonyms

    * sourstuff * when used as a packaging gas

    See also

    * ozone ----

    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 ----