televangelist
Concise Oxford English Dictionary © 2008 Oxford University Press:
televangelist /telɪˈvanʤəlɪst/ (also tele-evangelist)
▶noun chiefly N. Amer. an evangelical preacher who appears regularly on television.
– derivatives
televangelical adjective,
televangelism noun.
televangelical adjective,
televangelism noun.
'televangelist' also found in these Oxford entries:

