aphanite

/af-uh-nahyt/US // ˈæf əˌnaɪt //UK // (ˈæfəˌnaɪt) //

孤儿,磐石,孤儿院,磐石市

Definitions

n.名词 noun

1
Petrography.
- : a fine-grained igneous rock having such compact texture that the constituent minerals cannot be detected with the naked eye.