1stream 
/ˈstri:m/ noun
plural streams /ˈstri:m/ noun [count] 1 : a natural flow of water that is smaller than a river
▪ a mountain stream ▪ A stream flows/runs through the field. — compare river 2 : any flow of liquid or gas — often + of ▪ a stream of urine ▪ A stream of cold air came in through the crack. — see also bloodstream, jet stream, slipstream 3 : a continuous flow of people or things — usually + of ▪ a stream of words ▪ The island is visited by a continuous/constant/steady stream of tourists. ▪ an endless stream of traffic 4 Brit : 1track 8
▪ a mountain stream ▪ A stream flows/runs through the field. — compare river
on stream
chiefly Brit : in or into a working or functioning state : in or into operation
▪ This week the new factory came on stream. [=on line]
▪ This week the new factory came on stream. [=on line]
