Home › Words › O › orthorhombicityorthorhombicityorthorhombicity · noun — the condition of being orthorhombic.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom orthorhombic + -ity or ortho- + rhombicity.nounThe condition of being orthorhombicDefinitions & examples from Wiktionary (CC BY-SA 3.0).