Ag·​ro·​bac·​te·​ri·​um | \ ¦a-grō-ˌbak-ˈtir-ē-əm\

Definition of Agrobacterium

: a genus of small usually gram-negative and motile bacterial rods (family Rhizobiaceae) including soil forms that vigorously reduce nitrates and several pathogens of cultivated plants that typically cause galls on stems — compare crown gall

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First Known Use of Agrobacterium

1942, in the meaning defined above

History and Etymology for Agrobacterium

New Latin, from agro- + bacterium

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The first known use of Agrobacterium was in 1942

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