The most common and most likely answer to this crossword clue is the 9 letter word DIMENSION
I've seen this crossword clue in Independent
D
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Buddy explains!
The straight part
We know that "aspect" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case aspect = dimension.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 DIMENSION mean?
DIMENSION noun- A single aspect of a given thing.
- A measure of spatial extent in a particular direction, such as height, width or breadth, or depth.
- A construct whereby objects or individuals can be distinguished.
- The number of independent coordinates needed to specify uniquely the location of a point in a space; also, any of such independent coordinates.
- The number of elements of any basis of a vector space.
- One of the physical properties that are regarded as fundamental measures of a physical quantity, such as mass, length and time.
- Any of the independent ranges of indices in a multidimensional array.
- A universe or plane of existence.
- To mark, cut or shape something to specified dimensions.