trichotomy
noun
tri·chot·o·my trī-ˈkä-tə-mē 
plural trichotomies
: division into three parts, elements, or classes
Word History
First Known Use
1610, in the meaning defined above
- schorlaceous
- schorlomite
- schorls
- schorly
- Schotten-Baumann reaction
- schottische
- schottisches
- Schottky barrier
- Schottky defect
- Schottky effect
- schou
- schout
- Schouten Islands
- schouts
- schouw
- schr
- schra
- Schrader's bromegrass
- Schrebera
- schrei
- schreibersite
- schreiner
- schreiner finish
- schreinerize
- Schrieffer