| 释义 | 
		Definition of diabase in English: diabasenoun ˈdʌɪəbeɪsˈdaɪəˌbeɪs Geology another term for dolerite  Example sentencesExamples -  It is also a widespread constituent of a variety of igneous and metamorphic rocks and is occasionally found in pegmatites and in related veins marginal to igneous rock units ranging from granite to diabase.
 -  If natural stone, such as basalt or diabase, is used, the product is called rock wool.
 -  The lower series consists of alternating basalt lava, tuff breccia, tufite, and siliceous rock, whereas the upper one is dominated by diabase.
 -  Intrusion of diabase at Mt. Butters has resulted in low-grade contact metamorphism of the pre-existing sedimentary strata.
 -  Many such dikes in western Maine are classified as alkali diabase.
 
 
 Origin   Mid 19th century (originally denoting diorite): from French, formed irregularly as if from di- 'two' + base 'base' (thus 'rock with two bases', referring to the base minerals of diorite), but associated later perhaps with Greek diabasis 'transition'.    Definition of diabase in US English: diabasenounˈdīəˌbāsˈdaɪəˌbeɪs Geology another term for dolerite  Example sentencesExamples -  It is also a widespread constituent of a variety of igneous and metamorphic rocks and is occasionally found in pegmatites and in related veins marginal to igneous rock units ranging from granite to diabase.
 -  Intrusion of diabase at Mt. Butters has resulted in low-grade contact metamorphism of the pre-existing sedimentary strata.
 -  The lower series consists of alternating basalt lava, tuff breccia, tufite, and siliceous rock, whereas the upper one is dominated by diabase.
 -  If natural stone, such as basalt or diabase, is used, the product is called rock wool.
 -  Many such dikes in western Maine are classified as alkali diabase.
 
 
 Origin   Mid 19th century (originally denoting diorite): from French, formed irregularly as if from di- ‘two’ + base ‘base’ (thus ‘rock with two bases’, referring to the base minerals of diorite), but associated later perhaps with Greek diabasis ‘transition’.     |