postmeridian

/ˌpoʊstməˈrɪdiən/
adjective
  1. Relating to the afternoon or the time after noon (often used in formal or technical contexts).
    • The astronomer scheduled the observation for the postmeridian hours.
    • Her postmeridian classes were always more relaxed than the morning ones.
    • The postmeridian sun cast long shadows across the garden.
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What does "postmeridian" mean? | whatsthatwordmean | whatsthatwordmean