- ultraporcelain
- ultrapower
- ultra-precision cutting of single crystal brittle material assisted with ion implantation
- ultra-precision cutting of surface-modified carbon steel
- ultra-precision grinding of brittle materials
- ultra-precision machining
- ultra-precision machining of optical spherical and freeform surface
- ultra-precision manufacturing of optical surfaces
- ultra-precision mechatronics system
- ultra-precision opto-mechanical system
- ultraproduct
- ultraproduct technique
- ultraproduct theorem
- ultra-pure materials
- ultrapure water
- ultrapurification of materials
- ultraradical
- ultrarapid lens
- ultraray
- ultrarays
- ultra-red
- ultraregular space
- ultraregular topology
- ultrarelativistic
- ultra-relativistic electron