tapetum /tə-pēˈtəm/

1. A layer of cells surrounding spore mother cells (botany)
2. The light-reflecting pigmentary layer of the retina (zoology)

tapēˈtal adjective

• dioptases
• diopter
• diopters
• dioptrate
• dioptre
• dioptres
• dioptric
• dioptrical
• dioptrics
• diorama
• dioramas
• dioramic
• diorism
• diorisms
• dioristic
• dioristical
• dioristically
• diorite
• diorites
• dioritic
• diorthoses
• diorthosis
• diorthotic
• Dioscorea
• Dioscoreaceae