— genethlialogic /ji neth'lee euh loj"ik/ , genethlialogical , adj.
/jeuh neth'lee ol"euh jee, -al"-/ , n. Astrol.
the science of calculating positions of the heavenly bodies on nativities.
[ 1650-60; genethlialogía casting of destinies, equiv. to genethlia- (comb. form of genéthle birth) + -logia -LOGY ]