Definition of anorthitite
: a leucocratic differentiation rock of the gabbro family consisting almost entirely of anorthite
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of anorthitite
anorthite + -ite
First Known Use: 1900See Words from the same year
Seen and Heard
What made you want to look up anorthitite? Please tell us where you read or heard it (including the quote, if possible).