[noun] [C] - a pattern or picture made using many small pieces of coloured stone or glassa beautiful 10th century mosaica mosaic ceiling(figurative) The country is now a cultural and social mosaic (= complicated mixture of different parts) due to the influx of several different ethnic groups.
MOSAIC
Meaning of MOSAIC in English
Cambridge English vocab. Кембриджский английский словарь. 2012