ECO definition: ecological or environmental. See examples of eco used in a sentence. Eco-Systems Inc. located at , Hattiesburg, MS 39401 - reviews, ratings, hours, phone number, directions, and more. Look up eco- in Wiktionary, the free dictionary. The word eco may refer to ecology or economics. The word, or the initials E.C.O., may also refer to: Search for eco on Wikipedia. This disambiguation page lists articles associated with the title Eco. Meaning of eco-in English. eco- prefix. uk. Your browser doesn't support HTML5 audio. /iː.kəʊ-/us. Your browser doesn't support HTML5 audio. /iː.koʊ-/us. Your browser doesn't support HTML5 audio. /e.koʊ-/ Add to word listAdd to word list. connectedwith the environment. SMART Vocabulary: related words and phrases. Ecology (from Ancient Greek οἶκος (oîkos) 'house' and -λογία (-logía) 'study of') [A] is the natural science of the relationships among living organisms and their environment. Ecology considers organisms at the individual, population, community, ecosystem, and biosphere levels. Ecology overlaps with the closely related sciences of biogeography, evolutionary biology, genetics. The meaning of ECO- is habitat or environment. How to use eco- in a sentence. © 2026 EcoSouth Services. All rights reserved. Find EcoSouth Services locations across Alabama, Florida, and Mississippi, including landfills, transfer stations, and commercial hauling offices. Contact us today! Ecology (from Ancient Greek οἶκος (oîkos) 'house', and -λογία (-logía) 'study of') is the study of the relationships between living organisms, including humans, and their physical environment. Ecology considers organisms at the individual, population, community, ecosystem, and biosphere level. Since 2012, we’ve helped over 450 churches start and strengthen new approaches to the mission and ministry of the Church. Are you leading a church and looking for a denomination to be a part of? When you join ECO, you get the distinctives of a denomination but the freedom of a network.