periderm

About 0.06 uses per million words.

Meaning

1. noun The outer layer of plant tissue comprising the phellem, phellogen and the phelloderm.
2. noun The perisarc; the hard outer layer of hydroids and other marine animals.

Similar words

phelloderm pheloderm hypoderma phellogen phellem endophloeum pericycle peridium hypodermis protoderm

Often followed by

is and of formation in cells layers layer was

Word family

periderms