tur·quoise ˈtərˌk(w)oiz/ noun 1. a greenish-blue color. "the turquoise waters of the bay" 2. a semiprecious stone, typically opaque and of a greenish-blue or sky-blue color, consisting of a hydrated hydroxyl phosphate of copper and aluminum. ---- Metathesiophobia - The fear of change. Sometimes change is a good thing. ---- Definition: A fear of using a word more than once in a single sentence or paragraph. The term monologophobia was coined by New York Times editor Theodore M. Bernstein in The Careful Writer, 1965.