( | 2 | 5 | 8 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
Specific Gravity
Specific Heat Capacity
Specific Impulse
Specific Power
Specific Surface Area
Spinning Reserve
Spin–Charge Interconversion
Spline Shaft
Spoiler (Aircraft)
Spread Footing
Spring Rate
Sprocket
Stack Effect
Stall Margin
Standard Penetration Test
Star Tracker
State of Charge
State of Health
State-Space Model
Static Port
Static Synchronous Compensator
Static Test
Station Keeping
Statistical Process Control
Steam Reforming
Steer-by-Wire
Steering Angle Sensor
Steering System
Stefan–Boltzmann Law
Stokes' Law
Stone Column Technique
Storage Tank
Stress Concentration
Stress Corrosion Cracking
Stringer
Stringer (Airframe)