You searched for: “keraunographies
ceraunography, keraunography (s) (noun), ceraunographies, keraunographies (pl)
1. An instrument for chronologically recording occurrences of thunder or thunderstorms and lightnings or thunderbolts.
2. A figure impressed by lightning upon material.
3. In meteorology, an apparatus, consisting essentially of an antenna connected to a galvanometer or electroscope, for recording the occurrences of distant thunderstorms.
This entry is located in the following unit: grapho-, graph-, -graph, -graphy, -grapher, -graphia (page 15)