postmeridian


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post·me·rid·i·an

 (pōst′mə-rĭd′ē-ən)
adj.
Of, relating to, or taking place in the afternoon.

postmeridian

(ˌpəʊstməˈrɪdɪən)
adj
after noon; in the afternoon or evening
[C17: from Latin postmerīdiānus in the afternoon; see post-, meridian]

post•me•rid•i•an

(ˌpoʊst məˈrɪd i ən)

adj.
1. of or pertaining to the afternoon.
2. occurring after noon.
[1620–30; < Latin]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.postmeridian - after noon
antemeridian - before noon
References in periodicals archive ?
The first 12-hr period is often called antemeridian or AM and the second, postmeridian or PM, commonly known simply as morning and afternoon.