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1. Not, akin to L. in- and G. a-, an-.
2. Reversal, removal, release, deprivation.
3. An intensive action.
Farlex Partner Medical Dictionary © Farlex 2012


Prefix meaning not, akin to L. in- and G. a-, an-; reversal, removal, release, deprivation; intensive action.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

1 un-

[Rel. to L. in-, not, and Gr. a-, an-]
Prefix meaning not.

2 un-

[Rel. to Lat. ante, before, and Gr. anti, opposite, in place of]
Prefix expressing the reversal of an action or of removal.
Medical Dictionary, © 2009 Farlex and Partners