1. a computer program that controls the rendering of graphics, especially lighting and color effects
Usage: computing; graphics programming
2. a person or thing that provides shade

Examples

• The game developer wrote a custom shader to create realistic water effects.
• Modern graphics cards can process thousands of shader operations per second.
• The vertex shader transforms 3D coordinates into screen positions.
• She adjusted the pixel shader to make the metal surfaces look more reflective.
• The large umbrella served as an effective shader for the outdoor café.
• Trees act as natural shaders, protecting plants beneath from harsh sunlight.