English

Noun

allochthone ‎(plural allochthones)

1. (geology) Alternative form of allochthon
   • 1961, Philip C. Hewitt, “New Hypothesis for Solution of the Taconic Problem”, in Geological Society of America: Abstracts for 1961, ISBN 0813720680, page 197:

     In the northern Taconic Range of centralwestern Vermont an allochthone has been postulated.

   • 1971, J.D. & E.S. Dana, The American Journal of Science, page 12:

     The existence of an allochthone resting on an autochthone implies the existence of an overriding surface.

   • 1964, Zen, Taconic Stratigraphic Names: Definitions and Synonymies, page 4:

     In addition, modern workers generally concur that, immediately surrounding the controversial Taconic allochthone, there is a nearly continuous belt of Middle-Ordovician gray to black argillite.

2. Inhabitants of a country with an ethnic background in another country, particularly people of Middle Eastern background living in Europe.
   • 2004, John Eade, ‎Dyab Abou Jahjah, & ‎Rosemary Bechler, Identities on the move, ISBN 0863555314, page 44:

     The idea was no sooner mooted, than we were reliably informed that we would have to play down considerably the Muslim component, sheltering behind a broader allochthone scout concept.

   • 2005, Dragana Avramov & R. L. Cliquet, Integrated Policies on Gender Relations, Ageing and Migration in Europe, ISBN 9044117289, page 44:

     Immigration and differential fertility behaviour of immigrants may lead to a substantial demographic substitution of the authochthone by the allochthone population in specific urban areas or regions.

   • 2014, Dragana Avramov & R. L. Cliquet, Religion, Ethnicity and Transnational Migration between west Africa and Europe, ISBN 9004271562, page 44:

     However, who is "allochthone" and who is "'autochthone" is a matter of absolutely unclear classification, and the term allochthone soon started to be used mainly for the Moroccans and the Turkish.

3. An animal species that lives only part of its life in a particular habitat.
   • 2005, Arnoldus Schytte Blix, Arctic Animals and Their Adaptations to Life on the Edge, ISBN 8251920507, page 44:

     The latter again consists of two groups: the autochthone (those that live permanently in the ice all their lives) and the allochthone (those that are associated with ice only for part of their lives, or for part of the year only).