- thunder + -graph.] (Meteor.) (a) A tracing or chart showing the phenomena attendant on thunderstorms. (b) An instrument for making such tracings, as a recording brontometer. [Webster 1913 Suppl.]
The Collaborative International Dictionary of English. 2000.
Look at other dictionaries:
brontograph — bron·to·graph … English syllables
brontograph — n. instr. recording discharges of atmospheric electricity. ♦ brontogram, n. record made by this … Dictionary of difficult words
brontograph — af noun ( s) Etymology: bront + graph 1. : brontometer 2. : brontogram … Useful english dictionary
brontology — n. study of thunder. ♦ brontometer, n. brontograph … Dictionary of difficult words