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Aalenian

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Aa·​le·​ni·​an | \ ä-ˈlē-nē-ən How to pronounce Aalenian (audio) \

Definition of Aalenian

: of, relating to, or being a period of the Middle Jurassic lasting from approximately 176 million years ago until 172 million years ago This applies particularly to the thickest of the sandstones, the Bearreraig Sandstone of Aalenian to Bajocian age.— J. D. Hudson et al., Journal of the Geological Society, September 2011 — see Geologic Time Table

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Other Words from Aalenian

Aalenian noun
Subsequently, during the Aalenian, the motile forms (still present in the water column) had become adapted to life in stressed salinities … — Alister James Powell and J. B. Riding, Recent Developments in Applied Biostratigraphy, 2005

First Known Use of Aalenian

1882, in the meaning defined above

History and Etymology for Aalenian

borrowed from French aalénien, from Aalen, town in Württemberg, Germany, the location of strata defining the period + -ien -ian

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The first known use of Aalenian was in 1882

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Dictionary Entries near Aalenian

Aachen

AAFP

aah

Aalenian

aalii

Aalst

AAMC

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Cite this Entry

“Aalenian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Aalenian. Accessed 27 Feb. 2021.

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