DICT.TW Dictionary Taiwan
18.218.189.173

Search for:
[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

2 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 periapsis
 近拱點

From: WordNet (r) 2.0

 periapsis
      n : (astronomy) the point in as orbit closest to the body being
          orbited [syn: point of periapsis] [ant: apoapsis, apoapsis]