n.
1) to foster, promote ~
2) to retard, stunt ~
3) rapid; untrammeled; zero ~
4) economic; population ~ (zero population ~)
5) ( med. ) a cancerous, malignant; inoperable; non-cancerous, non-malignant ~
6) (biology) cell ~
7) ~ in
8) ( misc. ) a scraggly ~ (of beard)