noun
celestine
noun
1
A pale blue-white mineral (strontium sulfate) that forms in orthorhombic crystals, mined mainly as a source of strontium.
"The museum displayed a cluster of celestine crystals with a faint blue tint."
2
A member of a Roman Catholic monastic order founded in 1244 as an offshoot of the Benedictines.
"The old monastery once housed a small community of Celestines."
How to Use Celestine
Learner’s notesIn plain EnglishEither a pale blue mineral or a member of a specific Catholic monastic order — context makes clear which.
Word Forms
more celestine comparative, celestines plural, celestines plural, Celestines plural, most celestine superlative
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “celestine”
A quick quiz — meaning, synonyms & usage
→
Fill the Gap
Can you complete this real example?
The museum displayed a cluster of _____ crystals with a faint blue tint.
Etymology
From Old French celestin, from Latin caelestinus ("heavenly"), from caelum ("sky, heaven").