Trass
Trass denotes:
- Trass (rock) is the name for a natural pozzolan that is used, among other things, as an additive in certain cements.
- Trass (brown coal) was the name for brown coal that was extracted in the Bensberg ore district.
Trass is the family name of the following people:
- Toomas Trass (* 1966), Estonian composer and organist