aph·a·nite \ˈafəˌnīt, usu -d.+V\noun (-s) Etymology: French, from aphan- + -ite : a dark rock of such close texture that its separate grains are invisible to the naked eye • aph·a·nit·ic\|afə|nid.ik\adjective • aph·a·nit·ism\ˈafəˌnīd.ˌizəm; əˈfanəˌtiz-, aˈ-\noun-s