The study of thunder and thunderstorms, or the scientific knowledge relating to thunder and its phenomena.
Derived from Greek 'bronte' (thunder) and 'logos' (study or discourse). This term emerged in scientific circles during the 17th-18th centuries when meteorology was developing as a field.
This word is basically extinct now because modern scientists just call it meteorology, but it shows how specific and poetic scientific language used to be before everything got standardized.
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