This is the 1466th most frequent Russian word.
крупнейших
"Крупнейших" means "largest" or "major" in English (genitive plural form).
In this sentence, "крупнейших" is a superlative adjective in the genitive plural form, describing 'cities'.
Москва является одним из крупнейших городов мира.
Moscow is one of the largest cities in the world.
Here, "крупнейших" describes "artists" in a figurative sense, referring to their significance and impact.
На выставке представлены работы крупнейших художников.
The exhibition features works by the greatest artists.
In this context, "крупнейших" refers to 'companies' and conveys their scale or importance within their field.