semigloss

From semi- +‎ gloss.

semigloss (not comparable)

1. Slightly shiny, between matte (or flat) and gloss. Usually used to describe paint.

• semiglossy

semigloss (plural semiglosses)

1. A slightly glossy paint.
   • 1971 March, Kiplinger's Personal Finance, volume 25, number 3, page 19:

     Good water-thinned semiglosses are relatively new […]