12 across
A
brief
experience
of
discrimination
(5)
A brief experience of discrimination (5)
hints
0
checks
0
hints
The whole clue is the definition (& lit or double definition).
How the clue works
The definition is A brief experience (as in a small sample of something), but take a look at discrimination too — that's also pointing to the same word, in the sense of refined judgement. Two separate definitions, one answer.