[loo-muh-niz-uh
m] 
| a style of landscape painting practiced by some mid-19th-century American artists, esp. of the Hudson River School, that emphasized meticulously crafted realism and a technically precise rendering of atmosphere and of the effects produced by direct and reflected light. |
| lu·mi·nism also Lu·mi·nism (lōō'mə-nĭz'əm) n. A style of 19th-century American painting concerned especially with the precise, realistic rendering of atmospheric light and the perceived effects of that light on depicted objects. [Latin lūmen, lūmin-, light; see lumen + -ism.] lu'mi·nist adj. & n. |