The most common and most likely answer to this crossword clue is the 8 letter word CYLINDER
I've seen this crossword clue in Financial Times
C
Y
L
I
N
D
E
R
More clues leading to the result CYLINDER
- Curry containers left in the German tube
- Pipe, variable length, covered in ash
- Solid block of cars
- Solid gas container in the Indian kitchen
- Doctor nicely cured a round figure
- Compose lyric about broken end of drum
- Heartlessly yell breaking piece of burnt wood drum
- What could be nicely defined, top or bottom, by radius
Buddy explains!

The straight part
We know that "tube" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case tube = cylinder.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does CYLINDER mean?
CYLINDER noun- A surface created by projecting a closed two-dimensional curve along an axis intersecting the plane of the curve.
- A solid figure bounded by a cylinder and two parallel planes intersecting the cylinder.
- Any object in the form of a circular cylinder.
- A cylindrical cavity or chamber in a mechanism, such as the counterpart to a piston found in a piston-driven engine.
- The space in which a piston travels inside a reciprocating engine or pump.
- A container in the form of a cylinder with rounded ends for storing pressurized gas; a gas cylinder.
- An early form of phonograph recording, made on a wax cylinder.
- The part of a revolver that contains chambers for the cartridges.
- The corresponding tracks on a vertical arrangement of disks in a disk drive considered as a unit of data capacity.
- To calender; to press (paper, etc.) between rollers to make it glossy.