Channel

usgb/ˈtʃænl/Volume
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LampPro Tip 1/2
Not Always WaterPlay
While often for liquids, 'channel' can also refer to pathways for other substances or objects. SlideThe scientist designed channels for the sand to flow through.
LampPro Tip 2/2
Metaphorical UsePlay
'Channel' can be used metaphorically to describe the path of abstract things like ideas. SlideThey opened a channel for discussion among the employees.