Eco/iːkəʊ,iːkə,iːˈkɑː/ Definition 1 of 5Pro Tip 1/2Biodiversity Implications Using 'eco' implies the complexity of life forms interacting within their environment. The eco of the coral reefs supports diverse marine life. Pro Tip 2/2Fragility Suggestion 'Eco' often suggests a delicate balance, highlighting the need for conservation. Human activities threaten the coastal eco.