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economy of scope
écorché
ecospecies
ecosphere
écossaise
ecosystem
ecoterrorism
ecotone
ecotourism
ecotoxic
ecotoxicology
ecotricity
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ectocommensal
ec·to·com·men·sal [ èktə kə ménss'l ] (plural ec·to·com·men·sals)


noun 
Definition:
 
harmless commensal organism: a plant or animal that lives on the outer surface or skin of another organism, causing its host no harm
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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