fulguration
Pronunciation: /ˌfʌlgjʊˈreɪʃ(ə)n/
noun

Derivatives
-
fulgurant
adjective -
fulgurate
verb -
fulgurous
adjective - (only in fulguration (sense 2)).

Origin:
mid 17th century (usually plural in the sense 'flashes of lightning'): from Latin fulguratio(n-) 'sheet lightning', from fulgur 'lightning'. fulguration (sense 1) dates from the early 20th century