subtherapeutic: Meaning and Definition of

sub•ther•a•peu•tic

Pronunciation: (sub"ther-u-py'tik), [key]
— adj.
  1. indicating a dosage, as of a drug or vitamin, less than the amount required for a therapeutic effect.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.