One of the mysteries of the English language finally explained.
The innermost layer of an apical meristem, which gives rise to the central vascular tissue and pith.
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.
In this article we explore how to impress employers with a spot-on CV.