The most common and most likely answer to this crossword clue is the 8 letter word DIAMETER
I've seen this crossword clue in Financial Times
D
I
A
M
E
T
E
R
More clues leading to the result DIAMETER
- Linear measurement, one aiming to shrink about a metre
- Network girl coming north for Circle Line?
- . Shortest route across the globe merited a shot
- Line slimmer perhaps has adopted in the morning
- London police have a bumpy ride around Circle Line
- Measurement weight-watcher gathers in the morning
- Time read out from one side to the other
- Circle Line trips are timed
- I am butting in to discourage bore
- Measure of revolutionary network supporting upset servant
Buddy explains!
The straight part
We know that "Circle Line" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case circle line = diameter.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 DIAMETER mean?
DIAMETER noun- Any straight line between two points on the circumference of a circle that passes through the centre/center of the circle.
- The length of such a line.
- The maximum distance between any two points in a metric space
- The maximum eccentricity over all vertices in a graph.