Inner (8)
'inner' is the definition.
(I know that inner can be written as internal)
This is the entire clue.
(Other definitions for internal that I've seen before include "Interior" , "Domestic" , "In-house - private" , "Cause of engine power" , "Inside the body" .)
'inner' is the definition.
(I know that inner can be written as interior)
This is all the clue.
(Other definitions for interior that I've seen before include "Inland part of a country" , "Inner; inland" , "Inside of a building" , "upcountry" , "Domestic" .)
(Other definitions for tube that I've seen before include "Hollow cylindrical object" , "appearing tinny?" , "channel" , "Hollow body for the underground" , "Pipe (with trains?)" .)