: of, relating to, or being a group of usually dark-colored minerals rich in magnesium and iron
Example Sentences
Recent Examples on the WebOrange is hotter, in the intermediate range, and yellow is hotter still, in the mafic range.New York Times, 18 May 2018 Kilauea releases mafic magma, and the temperature at eruption is about 2,140 degrees Fahrenheit.New York Times, 18 May 2018 Ocean volcanoes form over ocean crust that's lower in silica and contain a runnier kind of hot rock called mafic magma. Sarah Gibbens, National Geographic, 17 May 2018
Word History
Etymology
New Latin magnesium + Latin ferrum iron + English -ic