"ephemeris time" meaning in English

See ephemeris time in All languages combined, or Wiktionary

Noun

Head templates: {{en-noun|-}} ephemeris time (uncountable)
  1. (astronomy) A former standard astronomical time scale intended to overcome the drawbacks of irregularly fluctuating mean solar time, superseded in the 1970s. Tags: uncountable Categories (topical): Astronomy
    Sense id: en-ephemeris_time-en-noun-tvDOFMvL Categories (other): English entries with incorrect language header Disambiguation of English entries with incorrect language header: 63 37 Topics: astronomy, natural-sciences
  2. (astronomy) A modern relativistic-coordinate time scale. Tags: uncountable Categories (topical): Astronomy
    Sense id: en-ephemeris_time-en-noun-VGq3QGJj Topics: astronomy, natural-sciences

Download JSON data for ephemeris time meaning in English (1.8kB)

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This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-05-01 from the enwiktionary dump dated 2024-04-21 using wiktextract (f4fd8c9 and c9440ce). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.