Orbit

Bu kavram başka kaynaklarda da geçiyor

• Stedman's Medical Dictionary: A Practical Medical Dictionary (1920)
• A Dictionary of Aviation (1911)
• The Nurse's Dictionary of Medical Terms and Nursing Treatment (1909)
• Chamber's Twientieth Century Dictionary (1908)
• An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
• Explanation of Terms Used in Entomology (1906)
• The Student's Medical Dictionary (1896)
• Chamber's Etymological of the English Language (1895)
• An Illustrated Encyclopedic Medical Dictionary (1894)
• Zell's Condensed Dictionary (1879)
• Dictionary of Science, Literature and Art (1854)
• Dictionary of Science, Literature and Art (1842)
• orbit-motion — A Dictionary of Aviation (1911)