umbratic
/ˌʌmbreɪtɪk/Definitions
1. adjective
relating to or resembling shade or shadow, especially in relation to light.
“The umbratic effects in the painting created a dramatic contrast between light and darkness.”
2. noun
A term used in geography to describe an area of partial shade, especially in relation to sun exposure.
“The umbratic region near the base of the hill provided a cooler microclimate during the summer months.”