tric - unit
- tricalcium phosphate
- tricalcium silicate
- tricarballylic acid
- trichloroacetic acid
- trichlorobenzene
- trichloroethane
- trichloroethylene
- trichloronitromethane
- trichlorosilane
- trichroism
- triclinic system
- tricosane
- tricresyl phosphate
- tridecane
- tridecanol
- tridymite
- triethanolamine
- triethyl phosphate
- triethylamine
- triethylene glycol
- triethylene melamine
- triglyceride
- trigonal system
- trihydrate
- trihydric alcohol
- trilaurin
- trilon b
- trimanganese tetroxide
- trimer
- trimethylacetic acid
- trimethylaluminium
- trimethylamine
- trimethylene
- trimethylene glycol
- trimethylene trinitramine
- trimolecular reaction
- trinitrotoluene
- triolein
- triose
- trioxane