anorthite: meaning, definition, pronunciation and examples
Very Low (C2/Technical)Technical/Scientific
Quick answer
What does “anorthite” mean?
A calcium-rich mineral of the plagioclase feldspar series.
Audio
Pronunciation
Definition
Meaning and Definition
A calcium-rich mineral of the plagioclase feldspar series.
An essential rock-forming mineral found in igneous rocks like basalt and gabbro, and in some metamorphic rocks.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling is identical.
Connotations
No connotations beyond its scientific definition in either variety.
Frequency
Extremely rare in general discourse in both varieties, confined exclusively to geology, mineralogy, and related technical fields.
Grammar
How to Use “anorthite” in a Sentence
Anorthite is [adjective] (e.g., common, rare).Anorthite occurs in [rock type].The rock contains [quantity] anorthite.[Rock name] is composed primarily of anorthite.Vocabulary
Collocations
Examples
Examples of “anorthite” in a Sentence
adjective
British English
- The anorthite component was measured.
- An anorthite-rich layer was identified.
American English
- The anorthite composition was analyzed.
- An anorthite-bearing rock sample was collected.
Usage
Meaning in Context
Business
Virtually never used.
Academic
Used in geology, earth sciences, planetary science (e.g., lunar highlands).
Everyday
Never used.
Technical
Core term in mineralogy and petrology for describing rock composition and formation processes.
Vocabulary
Synonyms of “anorthite”
Neutral
Weak
Vocabulary
Antonyms of “anorthite”
Watch out
Common Mistakes When Using “anorthite”
- Mispronouncing as /ˈæn.ɔːr.θaɪt/ (stress on first syllable). Correct stress is on the second syllable.
- Using it as a general term for any white mineral.
- Misspelling as 'anorthsite' or 'anortite'.
FAQ
Frequently Asked Questions
It is common in specific igneous rocks like basalt and gabbro, and is the primary component of anorthosite, but it is not a mineral encountered in everyday life.
Yes, the lunar highlands are made mostly of anorthosite, a rock dominated by anorthite. This was a key discovery from the Apollo missions.
Anorthite is the calcium (Ca) end-member of the plagioclase series, while albite is the sodium (Na) end-member. They form a solid solution series.
It is a highly specific scientific term from mineralogy. There is no need for it in general conversation, making it a C2-level technical vocabulary item.
A calcium-rich mineral of the plagioclase feldspar series.
Anorthite is usually technical/scientific in register.
Anorthite: in British English it is pronounced /æˈnɔː.θaɪt/, and in American English it is pronounced /æˈnɔːr.θaɪt/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
AN ORTHOdox calcium-rich mineral: think 'AN' + 'ORTHO' (straight/correct, as in its crystal system) + 'ite' (mineral suffix).
Conceptual Metaphor
N/A (Highly technical term with no common metaphorical extensions.)
Practice
Quiz
Anorthite is best described as: