• synonyms


[ huh-loi-sahyt, -zahyt, ha- ]
/ həˈlɔɪ saɪt, -zaɪt, hæ- /


a refractory clay mineral similar in composition to kaolinite.

Nearby words

hallow, hallowed, halloween, hallowmas, hallows, halloysite, halls of ivy, hallstatt, hallstattan, hallucal, halluces

Origin of halloysite

1820–30; after Jean-Baptiste-Julien Omalius d'Halloy (1783–1875), Belgian geologist; with -site for -ite1, after mineral names formed from surnames ending in s Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019