Boiling Water in the Microwave. 1  1. Put the water in a microwave-safe cup or bowl. If you can't find a dish labeled microwave safe, choose glass or ceramic cookware that does not have any metallic paint. 2  2. Add a microwave-safe object to the water. This also helps the water bubble. 3  3. Put the water in the microwave.
PC can mean after meals, pubococcygeal, or professional corporation, depending on the context. AC means before meals & PCmeans after meals, such as directions when to take a certain medication.
Medical 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: 5/13/2016.