Cosmic, Cosmical

[Gr. kosmikos, from kosmos, the world, the universe.] Relating to the world, or to the whole frame of the universe. (Astron.) A word used in ancient astronomy to denote a particular position of a planet or star, at its rising or setting, in respect to the sun. A star is said to rise cosmically, when it rises at the same instant that the sun rises; and to set cosmically, when it sets with the sun. Cosmical is opposed to acronycal , which signifies that a star rises at the instant the sun sets, and vice versâ. The cosmical and acronycal risings of a star are invisible to the naked eye, because the light of the sun in the horizon effaces that of the star. Cos'mically, adv . With the sun at rising and setting. Cos'mo I. II. III., Dukes of Florence. See MEDICI. Cosmog'onal, Cosmogon'ic, Cosmogon'ical, a . Relating to cosmogony.