flashover

play
noun flash·over \ˈflash-ˌō-vər\

Definition of flashover

  1. 1 :  an abnormal electrical discharge (as through the air to the ground from a high potential source or between two conducting portions of a structure)

  2. 2 :  the sudden spread of flame over an area when it becomes heated to the flash point

Recent Examples of flashover from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'flashover'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of flashover

1892

Learn More about flashover


Seen and Heard

What made you want to look up flashover? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!