mafic

adjective
maf·ic | \ˈma-fik \

Definition of mafic 

: of, relating to, or being a group of usually dark-colored minerals rich in magnesium and iron

Examples of mafic in a Sentence

Recent Examples on the Web

Orange is hotter, in the intermediate range, and yellow is hotter still, in the mafic range. New York Times, "How Hot Can Lava Get?," 18 May 2018 Kilauea releases mafic magma, and the temperature at eruption is about 2,140 degrees Fahrenheit. New York Times, "How Hot Can Lava Get?," 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, "No, Hawaii's Volcano Won't Trigger a Mega-Tsunami," 17 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mafic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of mafic

1912, in the meaning defined above

History and Etymology for mafic

New Latin magnesium + Latin ferrum iron + English -ic

Keep scrolling for more

Learn More about mafic

Dictionary Entries near mafic

maffick

maffle

Mafia

mafic

Mafikeng

mafioso

mafite

Statistics for mafic

Look-up Popularity

Time Traveler for mafic

The first known use of mafic was in 1912

See more words from the same year

Comments on mafic

What made you want to look up mafic? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a state of commotion or excitement

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!