Wiktionary
niche markets
n. (niche market English)
Usage examples of "niche markets".
E-books are best suited to cater to niche markets, hitherto neglected by all major publishers.
They were moving into a phase where they tried to spin individual segments off into series for niche markets, and the demographics people liked it that Rydell was male, not too young, not too educated, and from the South.