— hyperplastic /huy'peuhr plas"tik/ , adj.
/huy'peuhr play"zheuh, -zhee euh, -zee euh/ , n. Pathol., Biol.
1. abnormal multiplication of cells.
2. enlargement of a part due to an abnormal numerical increase of its cells.
[ 1860-65; HYPER- + -PLASIA ]