ty·chon·ic \(ˈ)tī|känik, (ˈ)tē|-\adjective orty·cho·ni·an\-kōnēən\ Usage: usually capitalized Etymology: New Latin Tychon-, Tycho (Latinized form of Tycho Brahe died 1601 Dan. astronomer) + English -ic or -ian : of or relating to Tycho Brahe or his system of astronomy