Last character incorporated metal (4)

I believe the answer is:

zinc

'metal' is the definition.
(zinc is a metal)

'last character incorporated' is the wordplay.
'last character' becomes 'Z'.
'incorporated' becomes 'inc'.
'z'+'inc'='ZINC'

(Other definitions for zinc that I've seen before include "Blusish-white lustrous metallic element" , "Bluish-white metal" , "Ingredient in brass" , "Metal much used in alloys" , "White metallic element used in alloys" .)

I've seen this clue in The Daily Express.

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