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null

null

8 5.9
A value used in computers to show no data
  • noun
  • /nʌl/
  • Specialized
translation icon : valor nulo
  • In programming, a variable that has no value is often referred to as null.

Examples

  • The database returned a null entry when I queried for user data that didn't exist.

  • When the function encountered an error, it returned a null result, indicating no data was processed.

  • Again, records 5, 6, 7, 8 will be NULL based on rule 1.

    Blog text (3)
  • Now if we make a bad choice, we go and test theories that are wrong, then the only thing we get are null results.

  • It's kind of the baseline or the null set for this research data.

  • The following null hypothesis was tested at the 5% level of significance:

    Academic text (2011)
  • Despite the null results of the Viking missions, there is still hope to find life on Mars.

    Academic text (2000)
  • Therefore, the null hypothesis was retained at the 0.05 level of significance.

    Academic text (1997)
  • Election authorities counted 43% "yes" votes and classified 2.3% of the votes as blank or null.

    Academic text (1992)
  • A legal loophole to declare that promissory note null and void.

Synonyms

nil
vsnull
  • Specialized
1 8.3

A special programming value that shows nothing is stored

is the general computing term for absence of data or unassigned value

Antonyms

1.3

How much something is worth in money or how useful it is

215 1.6

Facts and numbers collected to study things or make decisions

Idioms

null and void
  • Formal
12 4.8

Not legally valid or binding

Compounds

null set
  • Specialized
1 6.2

A set that has no members

null space
  • Specialized
9.6

A set of vectors that a matrix sends to the zero vector

Surface Forms

null singular
nulls plural

Etymology

Null comes from Latin nullus, meaning 'not any' or 'nothing', and in computing it keeps that simple idea of 'no value'. Think of a box with nothing inside: a null in a program means there is 'no data' in that place.