genethlialogy: Meaning and Definition of

ge•neth•li•al•o•gy

Pronunciation: ( ju-neth"lē-ol'u-jē, -al'-), [key]
— n. Astrol.
  1. the science of calculating positions of the heavenly bodies on nativities.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.