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oscitation

noun os·ci·ta·tion \ ˌäsəˈtāshən \
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Definition of oscitation

plural -s
1 : the act of being inattentive
2 : the condition of being drowsy

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Origin and Etymology of oscitation

Latin oscitation-, oscitatio action of yawning, from oscitatus (past participle of oscitare to yawn) + -ion-, -io -ion

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