The Collaborative International Dictionary
Ascensional \As*cen"sion*al\, a. Relating to ascension; connected with ascent; ascensive; tending upward; as, the ascensional power of a balloon.
Ascensional difference (Astron.), the difference between oblique and right ascension; -- used chiefly as expressing the difference between the time of the rising or setting of a body and six o'clock, or six hours from its meridian passage.
Wiktionary
a. (context astronomy English) Relating to ascension.
WordNet
adj. tending to rise
Usage examples of "ascensional".
All that I can remember is, that on every ascensional motion, we were hoisted up with ever increasing velocity, as if we had been launched from a huge projectile.
Felicite acquired from her experience of provincial life, an understanding of money, and that strong tendency to administrative wisdom which enables the provinces to hold their own under the ascensional movement of capital towards Paris.
Joe, slipping nimbly down the tree, carefully attached the anchor, and the doctor left his cylinder at work to a certain degree in order to retain sufficient ascensional force in the balloon to keep it in the air.