Wiktionary
a. (context biology English) referring to an RNA strand that can serve directly as messenger RNA and be transcribed into DNA.
Usage examples of "positive sense".
His age of innocence, in a fundamental and positive sense, had passed.
In a positive sense, this difference between the Guermantes and the Courvoisiers had begun already to bear very promising fruit.
Even though the medical fraternity on Sommaradva could not have cared less what happened to her, in Sector General she had been forced by circumstances into behavior that was wrong, in both the negative and positive sense, for someone of her professional status.
These features I could note, but not in any way appreciate in a positive sense.
Richard Dun had a similar eerie confidence about him, but in a positive sense.
States of America in a positive sense, as well as by a legal fiction.
Though it was important to impress Mum's and Dad's superiors in a positive sense.