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Diarist vs Ephemerist - What's the difference?

diarist | ephemerist |

As nouns the difference between diarist and ephemerist

is that diarist is one who keeps a diary while ephemerist is one who studies the daily motions and positions of the planets.

diarist

English

Noun

(en noun)
  • One who keeps a diary.

    • ephemerist

    English

    Noun

    (en noun)
  • One who studies the daily motions and positions of the planets.
    • (Howell)
  • One who keeps an ephemeris; a diarist.
    • (Webster 1913)