pro·to·derm 
(prōtə-dûrm′)
(prōtə-dûrm′)n.
Botany
Botany
The primary meristem that gives rise to epidermis. Also called dermatogen.
pro′to·dermal adj.
- leaven
- leavening
- leave no stone unturned
- Leavenworth
- leave of absence
- leave off
- leaver
- leaves
- leave-taking
- leave the door open
- leave to leave twisting in the wind
- leave to (one's) own devices
- leave to one's own devices
- leave to own devices
- leave to twist/leave twisting in the wind
- leave to twist twisting in the wind
- leavings
- Leavitt
- Lebanese
- Lebanon
- Lebanon Mountains
- lebensraum
- lebkuchen
- Leblanc
- Lebrun