noun
1 long hollow pipe
ADJECTIVE
▪ fine , narrow , thin
▪ hollow
▪ flexible
▪ closed , sealed
▪ inner (= on a bicycle wheel)
▪ fluorescent (= a kind of light)
▪ cardboard , copper , glass , metal , plastic , rubber , steel , etc.
▪ cathode ray , vacuum
▪ test
▪ breathing , feeding , ventilation
▪ bronchial , capillary , Eustachian , Fallopian , neural , etc.
▪ pollen
▪ torpedo
PREPOSITION
▪ down a/the ~
▪
She poured the liquid down the ~.
▪ in a/the ~ , into a/the ~
▪
I put the poster back into its ~.
▪ through a/the ~
▪
He gave the lamb its food through a ~.
▪ up a ~
2 ( usually the tube ) ( BrE ) the London Underground
ADJECTIVE
▪ London
VERB + TUBE
▪ catch , go on , take , travel by , travel on
▪
I often travel by ~
▪
I often travel on the ~
TUBE + NOUN
▪ line , network , station
▪ carriage , train
▪
I had to cram myself into a packed ~ carriage.
▪ map , ticket
▪ driver , worker
▪ journey
▪
my ~ journey to work
PREPOSITION
▪ by ~
▪
I go to work by ~.
▪ on the ~
▪
I bumped into him on the ~.