neologism
Concise Oxford English Dictionary © 2008 Oxford University Press:
neologism /nɪˈɒlədʒɪz(ə)m/
▶noun a newly coined word or expression.
– derivatives
neologist noun,
neologize (or neologise) verb.
neologist noun,
neologize (or neologise) verb.
'neologism' also found in these Oxford entries:

