[suhb-net] 
| the abstraction, in topology, of a subsequence. |
| sub·net (sŭb'nět') n. A system of interconnections within a communications system that allows the components to communicate directly with each other. |
subnet
A portion of a network, which may be a physically independent network segment, which shares a network address with other portions of the network and is distinguished by a subnet number. A subnet is to a network what a network is to an internet.
