anorthosite
noun
anorthosite is a noun meaning “A phaneritic, intrusive igneous rock characterized by a predominance of plagioclase feldspar” (English Wiktionary, September 2026). It is spelled A-N-O-R-T-H-O-S-I-T-E, and it appears about once in every 44 million words in written English (wordfreq, 2021 data). The plural of anorthosite is anorthosites.
What does anorthosite mean?
noun
- 1
A phaneritic, intrusive igneous rock characterized by a predominance of plagioclase feldspar.
The second, or Labrador series is characterized, as already remarked, by the predominance of great beds of anorthosite, composed chiefly of triclinic feldspars […]
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of anorthosite
- anorthosites plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is anorthosite?
Anorthosite appears about once in every 44 million words in written English, the 204,233rd most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Anorthosite in Spanish, French, German and Portuguese
In the sense a phaneritic, intrusive igneous rock:
| Language | Words |
|---|---|
| French | anorthosite |
| Portuguese | anortosita |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.