neoplasia

from WordNet (r) 3.0 (2006)

neoplasia
    n 1: the pathological process that results in the formation and
         growth of a tumor

from The Collaborative International Dictionary of English v.0.48

Neoplasia \Ne`o*pla"si*a\ (n[=e]`[-o]*pl[=a]"zh[i^]*[.a]), n.
   [NL., fr. Gr. ne`os new + pla`ssein to form, mold.] (Physiol.
   & Med.)
   Growth or development of new material; neoplasty.
   [1913 Webster]