Solid
Archimedean solid
Platonic solid
Metal Gear Solid 2: Sons of Liberty
Solid mechanics
Semi-solid
Catalan solid
Solid state
Amorphous solid
Solid-state drive
Metal Gear Solid 3: Snake Eater
Solid Snake
Solid geometry
Solid rocket booster
Solid-state chemistry
Proportionality for Solid Coalitions
SOLID (object-oriented design)
Metal Gear Solid
Space Shuttle Solid Rocket Boosters
Silly Putty
Thermal expansion