au·toch·tho·nous [aw tókth?n?ss] adjective 1. biology present from earliest times: descended from the original flora, fauna, or inhabitants of the region in which it is found. See also allochthonous (sense 2) 2. geology formed where found: describes a rock, mineral deposit, or geologic feature that was formed in the area where it is found 3. physiology produced where situated: describes a physical function or disorder that originates in the part of the body where it is found
![Autochthonous- Definition:au·toch·tho·nous [aw tókth?n?ss] adjective 1. biology present from earliest times: descended from the original flora, fauna, or inhabitants of the region in which it is found. See also allochthonous (sense 2) 2. geology formed where found: describes a rock, mineral deposit, or geologic feature that was formed in the area where it is found 3. physiology produced where situated: describes a physical function or disorder that originates in the part of the body where it is found](https://wordstodescribesomeone.com/wp-content/uploads/2016/10/Autochthonous-definition.png "Autochthonous definition")
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