tricalcium
/traɪˈkælsiəm/Definitions
1. noun
A compound calcium salt found in many types of cement and some forms of limestone.
“The construction team used tricalcium in the foundation of the new building to provide stability and durability.”
2. adjective
Relating to or containing a compound calcium salt.
“The geologist studied the properties of tricalcium-rich rocks in the local area.”