al·​lo·​ge·​ne·​ous | \ ¦alə¦jēnyəs, -nēəs\

Definition of allogeneous

: different in nature or kind

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First Known Use of allogeneous

1666, in the meaning defined above

History and Etymology for allogeneous

all- + -geneous (as in heterogeneous, homogeneous)

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The first known use of allogeneous was in 1666

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very full or close together

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