单词 | Aftonian |
释义 | Definition of Aftonian in English:Aftonianadjective afˈtəʊnɪən Geology
noun afˈtəʊnɪən Geology
OriginLate 19th century. From Afton, the name of a town in Iowa, U.S.A., where an exposure of these deposits was found + -ian. Definition of Aftonian in US English:Aftonianadjectiveafˈtəʊnɪən Geology
nounafˈtəʊnɪən Geology
OriginLate 19th century. From Afton, the name of a town in Iowa, U.S.A., where an exposure of these deposits was found + -ian. |
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