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单词 planetary
释义 plan·e·tary
I. \ˈplanəˌterē, -ri\ adjective
Etymology: from (assumed) Late Latin planetarius (whence Late Latin planetarius astrologer), from planeta planet + Latin -arius -ary
1.
 a. : of, relating to, or belonging to a planet
  < planetary orbit >
  < planetary year >
 b. : caused or held to be caused by a planet
  < a planetary plague — Shakespeare >
 c.
  (1) : erratic, wandering
   < a planetary vagabond >
  (2) : having a motion like that of a planet : orbiting
 d. : immense
  < it seemed not weeks, not even months or years, but a fantastic length of time, a planetary distance — Marcia Davenport >
2.
 a. : of, relating to, or belonging to the earth : terrestrial
  < planetary rumblings and eructations — L.C.Eiseley >
 b. : global, worldwide
  < neither national nor continental but planetary — Lewis Mumford >
  < people had begun to think in planetary terms — Van Wyck Brooks >
3. : having or consisting of an epicyclic train of gear wheels
 < planetary drive >
II. noun
(-es)
1. : a planet or planetary body
 < scanned the entire literary horizon for new planetaries — Carl Van Doren >
2. : planetary nebula
 < the observed speeds of expansion of the planetaries — R.H.Baker >
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更新时间:2025/3/25 19:20:31