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Mouse vs Null - What's the difference?

mouse | null |

As nouns the difference between mouse and null

is that mouse is any small rodent of the genus mus while null is a non-existent or empty value or set of values.

As verbs the difference between mouse and null

is that mouse is to move cautiously or furtively, in the manner of a mouse (the rodent) (frequently used in the phrasal verb to mouse around ) while null is to nullify; to annul.

As an adjective null is

having no validity, "null and void".

mouse

English

Noun

(mice)
  • Any small rodent of the genus Mus .
  • *
  • *:At twilight in the summer there is never anybody to fear—man, woman, or cat—in the chambers and at that hour the mice come out. They do not eat parchment or foolscap or red tape, but they eat the luncheon crumbs.
  • (lb) A member of the many small rodent and marsupial species resembling such a rodent.
  • A quiet or shy person.
  • (lb) (plural'' mice''' ''or, rarely,'' ' mouses ) An input device that is moved over a pad or other flat surface to produce a corresponding movement of a pointer on a graphical display.
  • (lb) Hematoma.
  • (lb) A turn or lashing of spun yarn or small stuff, or a metallic clasp or fastening, uniting the point and shank of a hook to prevent its unhooking or straighening out.
  • (lb)
  • :(Shakespeare)
  • A match used in firing guns or blasting.
  • (lb) A small model of (a fragment of) (Zermelo-Fraenkel set theory) with desirable properties (depending on the context).
  • Hypernyms

    * (small rodent) rodent

    Coordinate terms

    * (small rodent) rat * (input device) joystick, trackpad, trackball, pointing stick

    Derived terms

    * (as) quiet as a mouse * cat and mouse * church mouse * deer mouse * dormouse * fieldmouse * house mouse * kangaroo mouse * mouseable, mousable * mouse button * mouse click * mouse-ear * mouse mat * mouse pad * mouser * mousetrap * mousy * optical mouse * play cat and mouse * poor as a church mouse * when the cat's away the mice will play

    Verb

    (mous)
  • To move cautiously or furtively, in the manner of a mouse (the rodent) (frequently used in the phrasal verb to mouse around ).
  • To hunt or catch mice (the rodents), usually of cats.
  • (nautical) To close the mouth of a hook by a careful binding of marline or wire.
  • Captain Higgins moused the hook with a bit of marline to prevent the block beckets from falling out under slack.
  • (computing) To navigate by means of a computer mouse.
  • * 1988 , MacUser: Volume 4
  • I had just moused to the File menu and the pull-down menu repeated the menu bar's hue a dozen shades lighter.
  • * 2009 , Daniel Tunkelang, Faceted Search (page 35)
  • Unlike the Flamenco work, the Relation Browser allows users to quickly explore a document space using dynamic queries issued by mousing over facet elements in the interface.
  • (obsolete, nonce, transitive) To tear, as a cat devours a mouse.
  • * Shakespeare
  • [Death] mousing the flesh of men.

    Derived terms

    * mouse around * mouse over * mouser

    See also

    {{projectlinks , pedia , pedia , page2=mouse (computing) , commons , page3=Mus , commons , page4=Computer mouse , quote , page5=Mice , species , page6=Mus}}

    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 ----