pre·dom·i·nant 
(prĭ-dŏmə-nənt)
(prĭ-dŏmə-nənt)adj.
1. Having the most importance, influence, or force: the predominant theory in the field.
2. Most common or conspicuous; main or prevalent: "Egrets, gulls and small mammals are the predominant wildlife on the island these days" (Dan McCoubrey).
[Medieval Latin praedomināns, praedominant-, present participle of praedominārī, to predominate; see PREDOMINATE.]
pre·domi·nant·ly adv.