ALL meanings of null
null
N n - adjective null not valid or in force 1
- adjective null no value 1
- adjective null insignificant 1
- noun Definition of null in Technology (programming) A special value used in several languages to represent the thing referred to by an uninitialised pointer. (database) A special value that may be stored in some database columns to represent an unknown, missing, not applicable, or undefined value. Nulls are treated completely differently from ordinary values when evaluating SQL expressions and there are several SQL constructs for dealing with nulls. 1
- adjective null zero 1
- adjective null physics 1
- adjective null no character 1
- noun null Having no legal or binding force ; invalid. 1
- adjective null without value, effect, consequence, or significance. 1
- adjective null being or amounting to nothing; nil; lacking; nonexistent. 1
- adjective null Mathematics. empty. of measure zero. 1
- adjective null being or amounting to zero. 1
- noun null Electronics. a point of minimum signal reception, as on a radio direction finder or other electronic meter. 1
- verb with object null to cancel; make null. 1
- idioms null null and void, without legal force or effect; not valid: This contract is null and void. 1
- adjective null without legal force; invalid; (esp in the phrase null and void) 0
- adjective null without value or consequence; useless 0
- adjective null lacking distinction; characterless 0
- adjective null nonexistent; amounting to nothing 0
- adjective null quantitatively zero 0
- adjective null relating to zero 0
- adjective null (of a set) having no members 0
- adjective null (of a sequence) having zero as a limit 0
- adjective null involving measurement in which an instrument has a zero reading, as with a Wheatstone bridge 0
- adjective null without legal force; not binding; invalid 0
- adjective null amounting to naught; nil 0
- adjective null of no value, effect, or consequence; insignificant 0
- adjective null designating, of, or being zero 0
- adjective null having all zero elements 0
- adjective null having a limit of zero 0
- adjective null having no members whatsoever 0