1. singular noun
If there is a predominance of one type of person or thing, there are many more of that type than of any other type.
Another interesting note was the predominance of London club players.
2. uncountable noun
If someone or something has predominance
, they have the most power
among a group of people or things.
Eventually even their economic predominance was to suffer.
COBUILD Advanced English Dictionary. Copyright © HarperCollins Publishers