Fear of thunder is termed "brontophobia," a word derived from the Greek "bronte" (thunder) and "phobos" (fear). "Brontophobia" has given us the English word "brontometer," an instrument for recording the activity of thunderstorms. A related term: Astraphobia, fear of thunderstorms.

What does Brontophobia mean?

Medical Definition of brontophobia

: abnormal fear of thunder.

What is a phobia of thunder called?

Astraphobia, also known as brontophobia, is a kind of phobia characterized by an intense fear of extremely loud but natural noises in the environment. Namely, lightning and thunder.