/awr'thoh meuh lek"yeuh leuhr/ , adj.
being or pertaining to the treatment of disease by increasing, decreasing, or otherwise controlling the intake of natural substances, esp. vitamins. Cf. megavitamin (def. 1).
[ 1965-70; ORTHO- + MOLECULAR, referring to "the provision of the optimum molecular environment for the mind," according to term's originator, Linus Pauling ]