n.
Pronunciation: ' kän(t)-s ə n- ˌ tr ā -t ə r
Function: noun
Date: 1833
: one that concentrates: as a : an industrial plant that produces concentrates from ores b : a mirror or group of mirrors that focus sunlight for use as an energy source c : a device in a computer network that collects data from separate low-volume transmission channels and retransmits it over a single high-volume channel