allotropy, allotropism
(noun) the phenomenon of an element existing in two or more physical forms
Source: WordNet® 3.1
allotropism (plural allotropisms)
(chemistry) The ability (of an element) to exist in more than one physical form without change of state.
• allotropy
Source: Wiktionary
Al*lot"ro*pism, Al*lot"ro*py, n. Etym: [Gr. allotropie.] (Chem.)
Definition: The property of existing in two or more conditions which are distinct in their physical or chemical relations.
Note: Thus, carbon occurs crystallized in octahedrons and other related forms, in a state of extreme hardness, in the diamond; it occurs in hexagonal forms, and of little hardness, in black lead; and again occurs in a third form, with entire softness, in lampblack and charcoal. In some cases, one of these is peculiarly an active state, and the other a passive one. Thus, ozone is an active state of oxygen, and is distinct from ordinary oxygen, which is the element in its passive state.
Source: Webster’s Unabridged Dictionary 1913 Edition
20 April 2025
(noun) food mixtures either arranged on a plate or tossed and served with a moist dressing; usually consisting of or including greens
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.
