DIABASE
\dˈa͡ɪəbˌe͡ɪs], \dˈaɪəbˌeɪs], \d_ˈaɪ_ə_b_ˌeɪ_s]\
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A basic, dark-colored, holocrystalline, igneous rock, consisting essentially of a triclinic feldspar and pyroxene with magnetic iron; - often limited to rocks pretertiary in age. It includes part of what was early called greenstone.
By Oddity Software
Word of the day
Snake's-head
- Guinea-hen flower; -- so called in England because its spotted petals resemble the scales of a snake's head.