Antonyms of adj allochthonous

1 sense of allochthonous

Sense 1
allochthonous (vs. autochthonous) -- (of rocks, deposits, etc.; found in a place other than where they and their constituents were formed)

autochthonous (vs. allochthonous) -- (of rocks, deposits, etc.; found where they and their constituents were formed)

Similarity of adj allochthonous

1 sense of allochthonous

Sense 1
allochthonous (vs. autochthonous) -- (of rocks, deposits, etc.; found in a place other than where they and their constituents were formed)