aeriform
ae·ri·form
adjective
2.
characterized by lightness and insubstantiality; as impalpable or intangible as air
- “figures light and aeriform come unlooked for and melt away” Thomas Carlyle
- “aerial fancies”
- “an airy apparition”
- “physical rather than ethereal forms”
Origin
From Latin aer (“air”) + English -form.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.