The phrase "a unique topic" is correct and usable in written English.
You can use it when referring to a subject that is distinct or one-of-a-kind, often in discussions, essays, or presentations.
Example: "For my research paper, I chose a unique topic that explores the intersection of technology and art."
Alternatives: "an original subject" or "a distinctive theme".
Each of the five fact sheets inside the folder speaks to a unique topic revolving around septic systems.
It wasn't until my freshman year in college, while trying to find a unique topic for a research paper, that I really thought about what originality means.
Each chapter of their book covers a unique topic, emphasizes key assumptions, and introduces the appropriate statistical methods and null models required for testing phylogenetically informed hypotheses.
It is expected that graduate students in all programs will gain expertise in a particular area of study and, especially in Ph.D. programs, seek to expand the knowledge of that disciplinary field by discovering and pursuing a unique topic of scholarly research.
If this punny title says anything about such a unique topic, expect a brutally honest but not too heavy ride.
Each video explores a unique topic and together they bring a sense of unity and universality in their depictions of traumatic periods and the roles of individuals in the tide of world history.
Therefore, methods for watermarking in ready-to-print halftone images becomes a new unique topic, called halftone-based watermarking [12].
In principle, each keyword-set K is considered to be related to a unique news topic E.
Each team selects a unique QI topic to investigate.
The possibility to realize the same separation task by means of different sequences have opened an unique research topic focused on the definition of a complete searching space that includes all the possible alternatives.
Unfortunately, there was no lab nearby working on this unique topic.
