If ה is article, the remaining מובהקת will maybe be a PS-t type word.
If we are right, dictionary will have verb בָּהַק. And yes, this verb is found in dictionaries with meaning to shine.
Pattern PS-t1230 has the explanation we need.
Possibly your dictionary offers the adjective מוּבְהָק, that means obvious, clear (male). If so, then our word is its singular feminine form preceded by article.