heulandite
(noun) a group of minerals of the zeolite family consisting of a hydrous aluminum silicate of sodium and calcium
Source: WordNet® 3.1
heulandite (countable and uncountable, plural heulandites)
(mineral) A common mineral of the zeolite group with monoclinic crystals, the most usual form being heulandite-Ca (Ca,Na)2-3Al3(Al,Si)2Si13O36·12H2O.
Source: Wiktionary
Heu"land*ite, n. Etym: [After Heuland, an English mineralogist.] (Min.)
Definition: A mineral of the Zeolite family, often occurring in amygdaloid, in foliated masses, and also in monoclinic crystals with pearly luster on the cleavage face. It is a hydrous silicate of alumina and lime.
Source: Webster’s Unabridged Dictionary 1913 Edition
30 September 2024
(adjective) without forethought; “letting him borrow her car was an impulsive act that she immediately regretted”
Espresso is both a coffee beverage and a brewing method that originated in Italy. When making an espresso, a small amount of nearly boiling water under pressure forces through finely-ground coffee beans. It has more caffeine per unit volume than most coffee beverages. Its smaller serving size will take three shots to equal a mug of standard brewed coffee.
