Descension

• (n.) The act of going downward; descent; falling or sinking; declension; degradation.
Found on http://thinkexist.com/dictionary/meaning/descension/

Descension

De·scen'sion noun [ Old French descension , Latin descensio . See Descent .] The act of going downward; descent; falling or sinking; declension; degradation. Oblique descension (Astron.) , the degree or arc of the equator which descends, with a celestial object...
Found on http://www.encyclo.co.uk/webster/D/44

descension

The act of going downward; descent; falling or sinking; declension; degradation. ... <astronomy> Oblique descension, the degree or arc of the equator which descends, with a celestial object, below the horizon of an oblique sphere. Right descension, the degree or arc of the equator which descends below the horizon of a right sphere at the same...
Found on http://www.encyclo.co.uk/local/20973
No exact match found