Consumer, losing article, accepts new record (5)
I believe the answer is:
enter
'record' is the definition.
(enter can mean to enter into a record)
'consumer losing article accepts new' is the wordplay.
'consumer' becomes 'eater' (consume can mean to eat).
'losing' indicates named letters should be taken away.
'article' becomes 'a' (English indefinite article).
'accepts' means one lot of letters goes inside another.
'new' becomes 'n' (abbreviation as in New Testament NT).
'eater' with 'a' removed is 'eter'.
'eter' placed around 'n' is 'ENTER'.
(Other definitions for enter that I've seen before include "Move into" , "Gain access to" , "Get in" , "Enlist, join up" , "Take part in a contest" .)