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favellidium

American  
[fav-uh-lid-ee-uhm] / ˌfæv əˈlɪd i əm /

noun

PLURAL

favellidia
  1. (in certain red algae) a cystocarp wholly or partly immersed in a frond.


Etymology

Origin of favellidium

From New Latin, dating back to 1855–60; favella, -idium