food items, organic matter, nutrients etc. that enter an aquatic ecosystem from outside

Dictionary of ichthyology. 2009.

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  • allochthonous — [ə läk′thə nəs] adj. [ ALLO + (AUTO)CHTHON + OUS] originating elsewhere; not native to a place …   English World dictionary

  • allochthonous — adj. [Gr. allos, other; chthon, earth] Exotic; imported or migrated from another area; peregrine; see autochthonous …   Dictionary of invertebrate zoology

  • allochthonous — Anything found at a site remote from that of its origin …   Dictionary of molecular biology

  • allochthonous — /euh lok theuh neuhs/, adj. Geol. (of rocks, minerals, etc.) not formed in the region where found. Cf. autochthonous (def. 4). [1910 15; ALLO + chthonous, modeled after AUTOCHTHONOUS] * * * …   Universalium

  • allochthonous — adjective a) Originating in a place other than where it is found. b) Buried or found in a place remote from the site of formation. Ant: autochthonous …   Wiktionary

  • allochthonous —    Said of material originating from a different locality than the one in which it has been deposited [16].    See also autochthonous …   Lexicon of Cave and Karst Terminology

  • allochthonous — [ə lɒkθənəs] adjective Geology denoting a deposit or formation that originated at a distance from its present position. Often contrasted with autochthonous. Origin early 20th cent.: from allo + Gk khthōn earth + ous …   English new terms dictionary

  • allochthonous — al·loch·tho·nous …   English syllables

  • allochthonous — /æˈlɒkθənəs/ (say a lokthuhnuhs) adjective 1. not indigenous; introduced. 2. Geology (of a geological formation) present as a result of displacement, by being either forced up, folded over or moved as a result of gravity. Compare autochthonous.… …  

  • allochthonous —   a. not autochthonous; formed elsewhere …   Dictionary of difficult words

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