immature
61IYB — Immature Young Boy (Internet » Chat) **** International Youth Brigade (Community » Non Profit Organizations) …
62IBF — immature brown fat; immunoglobulin binding factor; Insall Burstein Freeman [total knee instrumentation]; intestinal blood flow * * * immunoglobulin binding factor …
63iDC — immature dendritic cell …
64IGC — immature germ cell; intragastric cannula …
65IRBC — immature or infected red blood cell …
66infantile joke — immature joke …
67naive approach — immature attitude, approach that is overly simplified and lacks sophistication …
68young deer — immature male deer …
69young for his age — immature for his age, doesn t act his age …
70young goat — immature male goat …