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单词 epsilon
释义

epsilon

/ˈɛpsɪlɒn / /ɛpˈsʌɪlɒn /
noun
1The fifth letter of the Greek alphabet (Ε, ε), transliterated as ‘e’.
1.1 [as modifier] Denoting the fifth in a series of items, categories, etc. epsilon and gamma globins diverged about 100 million years ago
1.2 (Epsilon) [followed by Latin genitive] Astronomy The fifth star in a constellation: Epsilon Carinae...
  • The most likely destinations are the stars closest to Earth, such as Alpha Centauri and Proxima Centauri, Tau Ceti, and Epsilon Eridani.
  • The star Epsilon Eridani, 10 light years from Earth, was then found to have exactly the disc clumps predicted by the computer models.
  • The University of Texas team found a planet similar in size to Jupiter about 10.5 light years away from Earth orbiting the star Epsilon Eridani, a star very similar to the sun.
symbol
(ε) Permittivity.

Origin

Greek, 'bare or simple E', from psilos 'bare'.

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更新时间:2024/11/12 8:08:59