ad·​i·​a·​tion | \ˌa-dē-ˈā-shən\
plural -s

Definition of adiation 

: the act of adiating

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First Known Use of adiation

1829, in the meaning defined above

History and Etymology for adiation

modification of Latin adition-, aditio act of entering upon an inheritance

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Time Traveler for adiation

The first known use of adiation was in 1829

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something that serves to warn or remind

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