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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...

tree frog

(Encyclopedia)tree frog, name for any of the small tree- or shrub-inhabiting frogs of the family Hylidae, characterized by an adhesive disk on the tip of each of the clawlike toes. This family has about 300 species...

puberty

(Encyclopedia)puberty pyo͞oˈbərtē [key], period during which the onset of sexual maturity occurs. It usually takes place between the ages of 10 and 15 in both sexes but sometimes occurs as early as 7 or 8 years...

Nuer

(Encyclopedia)Nuer no͞oˈər, no͝or [key], a Nilotic people living around Lake No in South Sudan. Their economy and social life generally revolve around cattle, which are grazed on the plains during the dry seaso...

Brahman cattle

(Encyclopedia)Brahman cattle, breed of beef cattle developed in the S United States in the early 1900s by combining several breeds or strains of zebu cattle of India. Brahman cattle have a very distinctive appearan...

tent

(Encyclopedia)tent, portable shelter of canvas, skins, felt, matting, or other material usually supported by poles and used chiefly by nomads, hunters, and campers. Tents have been used by pastoral peoples since an...

occupational disease

(Encyclopedia)occupational disease, illness incurred because of the conditions or environment of employment. Unlike with accidents, some time usually elapses between exposure to the cause and development of symptom...

smallpox

(Encyclopedia)smallpox, acute, highly contagious disease causing a high fever and successive stages of severe skin eruptions. Occurring worldwide in epidemics, it killed up to 40% of those who contracted it and acc...

body temperature

(Encyclopedia)body temperature, internal temperature of a living organism. Mammals and birds are termed warm-blooded, or homeothermic, i.e., they are able to maintain a relatively constant inner body temperature, w...

leech

(Encyclopedia)leech, predacious or parasitic annelid worm of the class Hirudinea, characterized by a cylindrical or slightly flattened body with suckers at either end for attaching to prey. The leech, like other an...