Definition of plerome in US English:

plerome

noun

Botany
  • The innermost layer of an apical meristem, which gives rise to the central vascular tissue and pith.

Origin

Late 19th century; earliest use found in Alfred Bennett (1833–1902), botanist and publisher. From German Plerom from ancient Greek πλήρωμα a thing which fills: compare -ome.

Pronunciation

plerome

/ˈplɪərəʊm/