1. 1  any of several threadlike bodies, consisting of chromatin, that carry the genes in a linear order: the human species has 23 pairs, designated 1 to 22 in order of decreasing size and X and Y for the female and male sex chromosomes respectively.
data source name (DSN) A data source name (DSN) is a data structure that contains the information about a specific database that an Open Database Connectivity ( ODBC ) driver needs in order to connect to it.
Definition; SSN: Social Security Number: SSN: Attack Submarine (Nuclear Propulsion) SSN: Servizio Sanitario Nazionale (Italian Health Service) SSN: Simultaneous Switching Noise: SSN: Subsystem Number (SS7) SSN: Smoothed Sunspot Number: SSN: Space Surveillance Network: SSN: Social Safety Net: SSN: SafeSeaNet (vessel traffic monitoring and information system) SSN