APHELION
\ɐfˈɛli͡ən], \ɐfˈɛliən], \ɐ_f_ˈɛ_l_iə_n]\
Definitions of APHELION
- 2006 - WordNet 3.0
- 2011 - English Dictionary Database
- 1919 - The Winston Simplified Dictionary
- 1899 - The american dictionary of the english language.
- 1894 - The Clarendon dictionary
- 1919 - The Concise Standard Dictionary of the English Language
- 1871 - The Cabinet Dictionary of the English Language
- 1790 - A Complete Dictionary of the English Language
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apoapsis in solar orbit; the point in the orbit of a planet or comet that is at the greatest distance from the sun
By Princeton University
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apoapsis in solar orbit; the point in the orbit of a planet or comet that is at the greatest distance from the sun
By DataStellar Co., Ltd
By William Dodge Lewis, Edgar Arthur Singer
By Daniel Lyons
By William Hand Browne, Samuel Stehman Haldeman
By James Champlin Fernald
Word of the day
Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.