Definition of a.c.

a.c.: Abbreviation on a prescription meaning before meals; from the Latin "ante cibum", before meals. This is one of a number of abbreviations of Latin terms that have traditionally been used in writing prescriptions.


Last Editorial Review: 10/30/2013

Search MedTerms:


Back to MedTerms online medical dictionary A-Z List
Pill Identifier Tool

Need help identifying pills and medications?
Use the pill finder tool on RxList.


STAY INFORMED

Get the Latest health and medical information delivered direct to your inbox!