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单词 selenography
释义

selenic /si-lēˈnik or -lenˈik/

adjective
  1. Of or relating to the moon (also selenian /sə-lēˈni-ən/)
  2. Of selenium in higher valency (selenic acid H2SeO4)
ORIGIN: Gr selēnē moon

selenate /selˈi-nāt/ noun

A salt of selenic acid

selenide /selˈi-nīd/ noun

A compound of selenium with an element or radical

selēˈnious or selēˈnous adjective

Of selenium in lower valency (selenious acid H2SeO3)

selenite /selˈi-nīt/ noun

  1. Gypsum, esp in transparent crystals (anciently supposed to wax and wane with the moon)
  2. A salt of selenious acid

selenitic /sel-i-nitˈik/ adjective

selenium /si-lēˈ/ noun

A metalloid element (symbol Se; atomic no 34) discovered by Berzelius in 1817 and named from its resemblance to tellurium

selēˈnograph noun

A delineation of the moon

selenographer /sel-i-nogˈrə-fər/ noun

selenographic /si-lē-nə-grafˈik/ or selenographˈical adjective

selenography /sel-i-nogˈrə-fi/ noun

  1. Mapping of the moon
  2. The study of the moon's physical features

selēnologˈical adjective

selenolˈogist noun

A selenographer

selenolˈogy noun

The scientific study of the moon

selenomorpholˈogy noun

The study of the surface of the moon

selenium cell noun

A photoelectric cell dependent on the circumstance that light increases the electric conductivity of selenium

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更新时间:2024/11/14 19:06:22