unic·​i·​ty | \ yüˈnisətē, -sətē, -i\
plural -es

Definition of unicity

: the quality or state of being unique of its kind : oneness the question of the unicity of the distemper virus the unicity of each angelic form within its species— W. N. Clarke

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History and Etymology for unicity

Latin unicus sole, single, unique + English -ity

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