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Lewisian

adjective
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Lew·​i·​sian | \ (ˈ)lü¦izh(ē)ən \

Definition of Lewisian

: of, relating to, or constituting a division of the Precambrian

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History and Etymology for Lewisian

Lewis, northern part of the island of Lewis with Harris, Outer Hebrides + English -ian

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“Lewisian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Lewisian. Accessed 27 Sep. 2020.

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