n. A monoclinic-domatic mineral containing aluminum, hydrogen, oxygen, and silicon.
the GNU version of the Collaborative International Dictionary of English
n. A claylike mineral, occurring in soft, smooth, amorphous masses, of a whitish color.
The Century Dictionary and Cyclopedia
n. A clay-like, earthy mineral with waxy or dull luster, white or slightly colored, and having a conchoidal fracture. It is a hydrous silicate of aluminium.
Word Usage
"The Company's halloysite nanotube HNT products involve filling HNTs with active agents for use in the polymer composites, health and beauty, household product, and agrichemical industries."