Pronunciation: /rɪˈsɛʃ(ə)n(ə)l/
adjective
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1relating to an economic recession: recessional times
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2chiefly Astronomy relating to or denoting motion away from the observer: astronomers measure an object’s recessional speed by observing its red shift
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3 Geology (of a moraine or other deposit) left during a pause in the retreat of a glacier or ice sheet.
noun
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a hymn sung while the clergy and choir process out of church at the end of a service.