Urbanite

urban + -ite("resident of a particular area")

Full definition of urbanite

Noun

1. Someone who lives in a city or similar urban area.
2. One of a demographic class of young, socially-conscious, urban professionals.

urban + -ite("rock")

Noun

1. Rock-like recycled building material from man-made sources.
• 2002, Joseph F. Kennedy, The Art of Natural Building, ISBN 9780865714335, p. 107:In Eugene, Oregon, Rob Bolman received a building permit for a straw bale house with a foundation made of stacked urbanite with a cement-sand mortar and a poured concrete bond beam on top.