A combining form meaning 'common,' 'shared,' or 'joint,' derived from Greek 'koinos' and used in scientific terminology.
From Greek 'koinos' meaning common or shared. Became a productive prefix in scientific nomenclature, especially in biology and medicine, starting in the 18th century.
The prefix coeno- is like a scientific signal that says 'this isn't about one thing alone—it's about things that are together or connected.' You'll see it in everything from coral biology to psychology.
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