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Topic vs Null - What's the difference?

topic | null |

As nouns the difference between topic and null

is that topic is subject; theme; a category or general area of interest while null is zero, nil; the cardinal number before einn.

As an adjective topic

is (l).

topic

English

(wikipedia topic)

Alternative forms

* topick (obsolete)

Adjective

  • (l)
  • Noun

    (en noun)
  • Subject; theme; a category or general area of interest.
  • *{{quote-magazine, date=2013-08-03, volume=408, issue=8847, magazine=(The Economist)
  • , title= The machine of a new soul , passage=The yawning gap in neuroscientists’ understanding of their topic is in the intermediate scale of the brain’s anatomy. Science has a passable knowledge of how individual nerve cells, known as neurons, work. It also knows which visible lobes and ganglia of the brain do what. But how the neurons are organised in these lobes and ganglia remains obscure. Yet this is the level of organisation that does the actual thinking—and is, presumably, the seat of consciousness.}}
  • (Internet) Discussion thread.
  • (obsolete) An argument or reason.
  • * Bishop Wilkins
  • contumacious persons, who are not to be fixed by any principles, whom no topics can work upon
  • (obsolete, medicine) An external local application or remedy, such as a plaster, a blister, etc.
  • (Wiseman)

    Synonyms

    * subject

    Derived terms

    * topical * subtopic * off-topic * topic map

    Anagrams

    * * *

    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 ----