The phrase "a conspicuous role in" is correct and usable in written English.
It can be used to describe someone's or something's noticeable or prominent involvement in a particular situation or context.
Example: "The scientist played a conspicuous role in the groundbreaking research that changed our understanding of climate change."
Alternatives: "a significant role in" or "a prominent role in".
Yet style did play a conspicuous role in his work.
US attorneys, the FBI and police play a conspicuous role in CVE.
"La Muette" proceeded to play a conspicuous role in the turbulent summer of 1830, when the old European order momentarily trembled.
Such money played a conspicuous role in last year's contests, when Mr. Giuliani and other candidates harvested record amounts from corporations, stirring criticism that the system was being corroded.
He also played a conspicuous role in the congressional debate over the disputed presidential election of 1876 between Rutherford B. Hayes and Samuel J. Tilden, which was decided by a special Electoral Commission.
A similar case can be observed in the lineage-specific alternative splicing events of vertebrate Pax-6 5a), Pax-6 5aays a conspicuous role in postnatal iris formation and the structural integrity of the cornea, lens and retina.
Mr. Keeb did not play any conspicuous role in the revolt against Colonel Qaddafi, but leaders of the revolt from Tripoli, the Western mountains and the coastal city of Misurata cheered his selection.
There was great eloquence, uncommon courage, and selflessness, particularly in the case of the young prisoner Elliott James Barkley, now dead, who was to have been released in days and who continued to help those he called his brothers in a conspicuous role of leadership.
Beginning in World War II, women had begun to occupy an increasingly conspicuous role in the United States Army.
ESI is playing an increasingly conspicuous role in the study of the protein structure, folding, and noncovalent interactions [ 19].
This juxtaposition suggests other ambiguities, of black men performing, even in daily life, a conspicuous role for public consumption.
