From collinoso + -ità. <span class="searchmatch">collinosità</span> f (invariable) (rare) hilliness incollatosi...
col‧li‧nó‧so collinoso (feminine collinosa, masculine plural collinosi, feminine plural collinose) (relational) hill; hilly Synonym: collinare <span class="searchmatch">collinosità</span>...