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Pollution vs Null - What's the difference?

pollution | null |

As nouns the difference between pollution and null

is that pollution is the act of polluting or the state of being polluted, especially the contamination of the environment by harmful substances while null is zero, nil; the cardinal number before einn.

pollution

Noun

(en noun)
  • The act of polluting or the state of being polluted, especially the contamination of the environment by harmful substances.
  • * {{quote-book, year=2006, author=, title=Internal Combustion
  • , chapter=1 citation , passage=If successful, Edison and Ford—in 1914—would move society away from the
  • Something that pollutes; a pollutant.
  • (archaic) Physical defilement.
  • (medicine, obsolete) The emission of semen at other times than in sexual intercourse.
  • * 1839 , Robley Dunglison, Medical Lexicon'', Blanchard, page 492 defines ''POLLUTION as:
  • The excretion of seminal liquor or sperm, at other times than during coition. When occasioned by a voluntary act it is called, simply, Pollution'' or ''Masturbation'' (q.v.); when excited, during sleep, by lascivious dreams, it takes the name ''Noctur'nal pollution, Exoneiro'sis, Oneirog'mos, Oneirog'onos, Gonorrhœ'a dormien'tium, G. oneirog'onos, G. Vera, G. libidino'sa, Proflu'vium Sem'inis, Spermatorrhœ'a, Paronir'ia salax, Night pollution.

    Synonyms

    * soilage * (masturbation) self-pollution

    Antonyms

    * conservation * purity

    Derived terms

    * air pollution * light pollution * noise pollution * self-pollution * soil pollution * water pollution

    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 ----