identification number

Thesaurus

Noun

1.

identification number - a numeral or string of numerals that is used for identification; "she refused to give them her Social Security number" number ABA transit number, bank identification number, BIN - an identification number consisting of a two-part code assigned to banks and savings associations; the first part shows the location and the second identifies the bank itself license number, registration number - the number on the license plate that identifies the car that bears it Social Security number - the number of a particular individual's Social Security account positive identification - evidence proving that you are who you say you are; evidence establishing that you are among the group of people already known to the system; recognition by the system leads to acceptance; "a system for positive identification can prevent the use of a single identity by several people" personal identification number, PIN number, PIN - a number you choose and use to gain access to various accounts