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exobiology

ex·o·bi·ol·o·gy [ èksō bī ólləjee ]


noun 
Definition:
 
outer-space biology: a branch of biology concerned with the possibility that life forms exist on other planets and with the problems of adapting the Earth's life forms to alien environments


ex·o·bi·o·log·i·cal [ èksō b ə lójjik'l ] adjective
ex·o·bi·ol·o·gist [ èksō bī ólləjist ] noun
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