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Hazleton

(Encyclopedia)Hazleton hāˈzəltən [key], city (2020 pop. 29,963), Luzerne co., E Pa., on a mountain top in ...

calcium chloride

(Encyclopedia)calcium chloride, CaCl2, chemical compound that is crystalline, lumpy, or flaky, is usually white, and is very soluble in water. The anhydrous compound is hygroscopic; it rapidly absorbs water and is ...

Peru, city, United States

(Encyclopedia)Peru pəro͞oˈ [key], city (1990 pop. 12,843), seat of Miami co., N Ind., on the Wabash River; inc. 1847. It is a trade, processing, and rail center for a fertile agricultural area. Among its product...

Pine Bluff

(Encyclopedia)Pine Bluff, city (1990 pop. 57,140), seat of Jefferson co., S central Ark., on the Arkansas River; inc. 1839. It is a port and trade center for an agricultural area and has industries producing metal,...

Henderson

(Encyclopedia)Henderson. 1 City (2020 pop. 27,801), seat of Henderson co., NW Ky., on the Ohio River, in an oil, coal, tobacco, corn, and livestock area; founded ...

allergy

(Encyclopedia)allergy, hypersensitive reaction of the body tissues of certain individuals to certain substances that, in similar amounts and circumstances, are innocuous to other persons. Allergens, or allergy-caus...

botulism

(Encyclopedia)botulism bŏchˈəlĭzˌəm [key], acute poisoning resulting from ingestion of food containing toxins produced by the bacillus Clostridium botulinum. The bacterium can grow only in an anaerobic atmosp...

Arrokoth

(Encyclopedia)Arrokoth, trans-Neptunian object in the Kuiper Belt (see comet). First observed by the Hubble Space Telescope in 2014 and later nicknamed Ultima Thule (until its official naming in late 2019), it beca...

asparagus

(Encyclopedia)asparagus, perennial garden vegetable (Asparagus officinalis) of the family Liliaceae (lily family), native to the E Mediterranean area and now naturalized over much of the world. As in the other spec...

pork

(Encyclopedia)pork, flesh of swine prepared as food, one of the principal commodities of the meatpacking industry. Pork has long been a staple food in most of the world, although religious taboos have limited its u...