fulguration
Concise Oxford English Dictionary © 2008 Oxford University Press:
fulguration /ˌfʌlgjʊˈreɪʃ(ə)n/
▶noun
- 1 Medicine the destruction of small growths or areas of tissue using diathermy.
- 2 literary a flash like that of lightning.
– derivatives
fulgurant adjective,
fulgurate verb.
fulgurant adjective,
fulgurate verb.
– origin C17: from L. fulguratio(n-) ‘sheet lightning’.
'fulguration' also found in these Oxford entries:

