Meaning of nontronite | Babel Free
Definitions
An iron-rich clay mineral of the montmorillonite group
countable, uncountable
Examples
“Nontronite, a variety of chloropal occurs as a light yellow powder in druses of the North Conway granite (99, p. 312).”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.