## Wikipedia - Fumo (it) fume

in atmospheric chemistry
https://doi.org/10.1351/goldbook.F02551
Fine solid particles (@[email protected]), predominantly less than $$1\ \unicode[Times]{x3BC}\text{m}$$ in diameter, which result from the condensation of vapour from some types of chemical reaction. Usually this is formed from the gaseous state generally after @[email protected] from melted substances and often accompanied by chemical reactions such as @[email protected]
Source:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2190 [Terms] [Paper]