luminism
noun
lu·mi·nism ˈlü-mə-ˌni-zəm 
often capitalized
: a theory or practice of realist landscape and seascape painting developed in the U.S. in the mid-19th century and concerned with the study and depiction of effects of light and atmosphere
luminist
ˈlü-mə-nist
noun or adjective often capitalized 
Example Sentences
Recent Examples on the Web Illuminated from behind by an electric light, the painting predicted both the sofa-sized luminism of Thomas Kinkade and the big-screen visual effects that still dazzle audiences today. 
Washington Post, 13 Apr. 2022
Washington Post, 13 Apr. 2022 Word History
First Known Use
circa 1974, in the meaning defined above
- mountain wood
- mountain zebra
- mountain-ash sawfly
- mountain-making
- mountained
- mountaineer
- mountaineered
- mountaineering
- mountaineerings
- mountaineers
- mountainer
- mountainest
- mountainless
- mountainner
- mountainnest
- mountainous
- mountainously
- mountainousness
- mountainousnesses
- mountains
- mountainside
- mountainsides
- mountaintop
- mountaintops
- mountainward