Merriam-Webster says: Main Entry: post me·ri·di·em Pronunciation: \-mə-ˈri-dç-əm, -ˌem\ Function: adjective Etymology: Latin Date: 1647 : being after noon abbreviation PM Paul Trusten, R.Ph. Public Relations Director U.S. Metric Association (USMA), Inc. www.metric.org 3609 Caldera Boulevard, Apartment 122 Midland TX 79707-2872 US +1(432)528-7724 mailto:[email protected]
