hyperplasia Meaning, Definition & Usage

  1. noun abnormal increase in number of cells

WordNet

Hy`per*pla"si*a noun
Etymology
NL., fr. Gr. over + conformation, fr. to mold.
Definitions
  1. (Med. & Biol.) An increase in, or excessive growth of, the normal elements of any part. ✍ Hyperplasia relates to the formation of new elements, hypertrophy being an increase in bulk of preexisting normal elements. Dunglison.

Webster 1913