Prefix formerly used to signify submultiples of one billionth (10-9); now nano-.
Farlex Partner Medical Dictionary © Farlex 2012
Prefix formerly used to signify one billionth (10-9); now nano-.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
Prefix formerly used to indicate one billionth (10-9). The term currently used is nano.
Medical Dictionary, © 2009 Farlex and Partners