English noun: identification number | |||
1. | identification number (communication) a numeral or string of numerals that is used for identification | ||
Samples | She refused to give them her Social Security number. | ||
Synonyms | number | ||
Broader (hypernym) | positive identification | ||
Narrower (hyponym) | ABA transit number, bank identification number, BIN, license number, personal identification number, PIN, PIN number, registration number, Social Security number | ||