n.
Pronunciation: ' d ī - ə - ˌ r ī t
Function: noun
Etymology: French, irregular from Greek diorizein to distinguish, from dia- + horizein to define ― more at HORIZON
Date: 1826
: a granular crystalline igneous rock commonly of acid plagioclase and hornblende, pyroxene, or biotite
– di · o · rit · ic \ ˌ d ī - ə - ' ri-tik \ adjective