10-Letter Words Starting: LIGH

• not penetrable by light

• a ship equipped like a lighthouse and anchored where a permanent lighthouse would be impracticable

• electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity

• tall Australian acacia yielding highly valued black timber

• a tower with a light that gives warning of shoals to passing ships

• descent of the uterus into the pelvic cavity that occurs late in pregnancy; the fetus is said to have dropped

• changing to a lighter color