#aerological
- Aerogram — A special letter sheet made of thin paper, folded and gummed to form an envelope, intended exclusively for international airmail transmission, with the postage stamp printed directly on its surface; in meteorology, a graphic diagram or monogram used to record and analyze atmospheric thermodynamic variations in relation to altitude.
- Aerological — Relating to aerology, concerning aerology; referring to the physical, dynamic, and thermodynamic study of the free atmosphere, especially the upper layers (upper troposphere, stratosphere). It applies to charts, data, or sounding stations.