England was the predominant power in the world during the 19th century. The phlogiston theory was once predominant among scientists.
Advanced English Dictionary
+adjective 1 most obvious or noticeable: a predominant feature / factor + Yellow is the predominant colour this spring in the fashion world. 2 having more power or influence than others Synonym: DOMINANT a predominant culture + a way of thinking that is predominant in modern social life
Random quote: Every great mistake has a halfway moment, a split second when it can be recalled and perhaps remedied.: Pearl Buck