The phrase "dominating topic" is correct and usable in written English.
It can be used to refer to a subject that is the most prominent or influential in a discussion or piece of writing.
Example: "In our meeting, the dominating topic was the upcoming project deadline and its implications for the team."
Alternatives: "main subject" or "primary theme."
Early on in the series it is menstruation that is the dominating topic.
The referendum was likely to have been the dominating topic as David Cameron spent the weekend at Balmoral, though Buckingham Palace reiterated the Queen remained neutral on the subject.
Rather than keeping climate change as a separate or dominating topic, the proposal from a development perspective is to enact the "multiple exposure" perspective by viewing climate change as one challenge amongst many (Gaillard 2010; Mercer 2010).
We enrich the analysis by employing tools typical for content analysis such as the identification of central entities and dominating topics in the texts.
Then let common interests naturally develop into comfortable conversation (not dominating topics or "needling" their points of view).
The word cloud illustrates very well the dominating topics in the Twitter debate on NCDs during the observed time period.
Take immigration, a sensitive and emotive topic dominating an agenda set by Farage, Le Pen and Wilders.
Meanwhile, our domestic debate has been dominated by topics such as sugar and whether Cafta will codify international labor conventions that the U.S. has not even ratified itself.
In a country where discussion is currently dominated by topics from refugees to education, and in a time period where it is easier than ever to express one's opinion, many of us are neglecting to exercise our most basic right as citizens of the United States: voting, and as a result we are compromising the liberty that makes this country so great.
The regulatory roles of granins in sorting and secretion still dominate as topics at the international symposia on chromaffin cell biology (ISCCB), as indeed evident from the 15th ISCCB in Merida, Mexico, November 12 16, 2010.
Syria is one of the topics dominating jihad sympathisers' Twitter activities.
