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aeriform

adjective aer·i·form \ ˈer-ə-ˌfȯrm \

Definition of aeriform

1 :having the nature of air :gaseous
2 :lacking substance or real existence :intangible
  • figures light and aeriform come unlooked for and melt away
  • —Thomas Carlyle

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Origin and Etymology of aeriform

aer- + -iform

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