What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Castor vs Null - What's the difference?

castor | null |

As a proper noun castor

is .

As a noun null is

zero, nil; the cardinal number before einn.

castor

English

Etymology 1

From (etyl) .

Alternative forms

* caster

Noun

(en noun)
  • A pivoting roller attached to the bottom of furniture to allow it to be moved.
  • A hat made from the fur of the beaver.
  • * Sir Walter Scott
  • I have always been known for the jaunty manner in which I wear my castor .
  • A caster; a container with perforated cap for sprinkling (e.g. pepper-castor ).
  • A heavy quality of broadcloth for overcoats.
  • castoreum
  • Derived terms
    * castor sugar
    See also
    * castor bean * castor oil

    Etymology 2

    Named from Greek mythology; see Castor and Pollux. The name pollux was given to another mineral with which it was always found.

    Noun

    (-)
  • (mineral) A variety of petalite found in Elba.
  • Synonyms
    * castorite (Webster 1913)

    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 ----