/ˌfɛlɒˈnɪk/ (FEL-oh-NIK)

Definitions

1. adjective

relating to or denoting the phelloderm, the soft tissue beneath the bark of a tree

“The phellonic layer plays a crucial role in tree defense mechanisms.”

2. noun

a part of the phelloderm, especially in the stems of certain plants

“The phellonic cells were found to have unique structural properties.”