อังกฤษ-ไทย: คลังศัพท์ไทย โดย สวทช.คลังศัพท์ไทย (สวทช.)
ไพร์ฮีลิออมิเตอร์ หรือเครื่องวัดความเข้มของรังสีโดยตรงจากดวงอาทิตย์[อุตุนิยมวิทยา]
คอมเพนเซทเตด ไพร์ฮีลิออมิเตอร์[อุตุนิยมวิทยา]
WordNet (3.0)WordNet (3.0)
(n)an instrument used to measure the angular separation of two stars that are too far apart to be included in the field of view of an ordinary telescope
The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)
n. [ Helio- + -meter: cf. F. héliomètre. ] (Astron.) An instrument devised originally for measuring the diameter of the sun; now employed for delicate measurements of the distance and relative direction of two stars too far apart to be easily measured in the field of view of an ordinary telescope.
n. [ Photo- + heliometer. ] (Astron.) A double-lens instrument for measuring slight variations of the sun's diameter by photography, utilizing the common chord of two overlapping images. [ Webster 1913 Suppl. ]
n. [ Gr. &unr_; fire + &unr_; sun + -meter. ] (Physics) An instrument for measuring the direct heating effect of the sun's rays. [ 1913 Webster ]
Japanese-English: EDICT DictionaryEDICT JP-EN Dictionary
เพิ่มคำศัพท์
ทราบความหมายของคำศัพท์นี้? กด เพื่อใส่คำนี้พร้อมความหมาย เพื่อเป็นวิทยาทานแก่ผู้ใช้ท่านอื่น ๆ
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