1
: habitat or environment
ecospecies
2
: ecological or environmental
ecocatastrophe

Word History

Etymology

Late Latin oeco- household, from Greek oik-, oiko-, from oikos house — more at vicinity

Dictionary Entries Near eco-

Cite this Entry

“Eco-.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eco-. Accessed 1 Mar. 2024.

Kids Definition

eco-

combining form
: habitat or environment
ecosystem
Etymology

Greek oikos "house, household"

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!