Glossary

What are transonic airfoils, and what is the active clearance control? Check out our technical dictionary and find out more about engine technology terms – from active clearance control to velocity triangle.

Scanning electron microscopy Shaped holes Shot peening Silver-plating Single-crystal turbine blades Skeleton line Slurry coatings Soft annealing Solid-film lubricants Specific work of a stage Stage Steel shot peening STEM drilling Straight cascade

Stress-relieving Sulphuric acid DC anodizing Supersonic aircraft