IPA: //ˈbraʊnstoʊn//
KK: /ˈbraʊnstoʊn/
A type of reddish-brown stone used for building, often seen in houses.
The city is known for its beautiful brownstone buildings.
Brownstone is formed from "brown" (from Old English "brūn", meaning of a dark color) and "stone" (from Old English "stan", meaning rock or stone). The word refers to a type of building material that is a brown-colored sandstone, commonly used in construction.
Think of the color 'brown' ('brūn') and 'stone' ('stan') to remember that brownstone is a type of stone that is brown in color.