Plerome

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The central portion of the apical meristem in a growing plant root or stem which, according to the histogen theory, gives rise to the endodermis and stele.

Etymology

Borrowed from German Plerom + English -ome (suffix denoting a mass of something). Plerom is derived from Pleroma (obsolete), from Ancient Greek πλήρωμᾰ (plḗrōmă, “that which fills, a complement; a filling up, a completing”): see further at pleroma.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.