allochthonous
/ˌæləˈkɑːθənəs/
adjective
- Originating in a place other than where it is found; brought in from elsewhere, especially in geology or ecology.
- Geologists identified the allochthonous sediment as having come from a mountain range hundreds of miles away.
- The allochthonous rocks in this valley were carried here by glaciers from far away.
- Allochthonous plant species often disrupt local ecosystems when they are introduced.
Antonyms