From Longman Dictionary of Contemporary EnglishEthernetE‧ther‧net /ˈiːθənet $ -ər-/ noun [uncountable] trademark TDa system used for connecting computer networks
Examples from the Corpus
Ethernet• The result is that different networks such as ARCnet and Ethernet can be tied together into a single LANtastic internet.• Both types of Ethernet cable have a similar construction.• But the Xircom Pocket Ethernet regularly outperforms its competitors in tests.• Surprisingly though, in the normal configuration all of these parallel processors are linked by a standard Ethernet local area network.• There are basically three types of network cable: thick Ethernet, thin Ethernet and twisted pair.• A final outer plastic sheath completes the wire. Ethernet cables are very similar to television aerial coaxial cable.From Longman Business DictionaryEthernetE‧ther‧net /ˈiːθənet-θər-/ noun [uncountable] trademarkcomputing a system used for connecting computer networks 