Like a reflective person's nose? (5)

I believe the answer is:

shiny

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'like' is the definition.
Both the answer and definition are adjectives. Maybe there's an association between them I don't understand?

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for shiny that I've seen before include "Gleaming" , "Smooth and polished" , "Smooth and reflective" , "Polished and reflecting light" , "Lustrous, glossy" .)

I've seen this clue in the Evening Standard.

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