zeolitic Definition

zeolite
noun

zeolites
1. geol.
Any of numerous hydrated aluminosilicate minerals, usually containing sodium, potassium, or calcium, widely used as ‘molecular sieves' for separating substances, and as water softeners.

Derivative: zeolitic
adj

Etymology: 18c: from Greek zeein to boil (in allusion to the fact that many swell up when heated with a blowpipe).