acid and basic rocks

الإنجليزية - الإنجليزية

تعريف acid and basic rocks في الإنجليزية الإنجليزية القاموس.

Division of igneous rocks on the basis of their silicate mineral content, these minerals usually being the most abundant in such rocks. Rocks are described as acid, intermediate, basic, and ultrabasic, in order of decreasing silica content, because it was earlier thought that silica is present in rock magmas in the form of silicic acid. In modern usage the terms do not refer to acidity in the chemical sense. In general, the gradation from acid to basic corresponds to an increase in colour (i.e., light to dark)

الواصلة

ac·id and Bas·ic rocks

التركية النطق

äsıd ınd beysîk räks

النطق

/ˈasəd ənd ˈbāsək ˈräks/ /ˈæsəd ənd ˈbeɪsɪk ˈrɑːks/