You searched for: “keraunographs”
ceraunograph, keraunograph (s) (noun); ceraunographs, keraunographs (pl)
1. An instrument for chronologically recording occurrences of thunder (thunderstorms) and lightning (lightnings or thunderbolts).
2. A figure impressed by lightning upon a body or material.
3. In meteorology, an apparatus, consisting essentially of an antenna connected to a galvanometer or electroscope, for recording the occurrences of thunderstorms.
This entry is located in the following units: ceraun-, keraun-; cerauno-, kerauno- (page 1) grapho-, graph-, -graph, -graphy, -grapher, -graphia (page 15)