ˌäktəˈhēˌdrīt noun
( -s )
Etymology: French octaédrite, from octaèdre octahedron (from Greek oktaedron ) + -ite
1. : anatase
2. : an iron meteorite having plates of kamacite with narrow selvages of taenite and interstitial plessite constituting a very intimate mixture of kamacite and taenite — compare widmannstaetten figures