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pocket mouse

(Encyclopedia)pocket mouse, small jumping rodent of W North America and as far south as N South America. More closely related to the squirrel than the true mouse, the pocket mouse gets its name from the fur-lined c...

biodiesel

(Encyclopedia)biodiesel, fuel made from natural, renewable sources, such as new and used vegetable oils and animal fats, for use in a diesel engine. Biodiesel has physical properties very similar to petroleum-deriv...

bloodhound

(Encyclopedia)bloodhound, breed of large hound whose ancestors were known in the Mediterranean region before the Christian era. It stands about 25 in. (63.5 cm) high at the shoulder and weighs between 80 and 110 lb...

mule, in zoology

(Encyclopedia)mule, hybrid offspring of a male donkey (see ass) and a female horse, bred as a work animal. The name is also sometimes applied to the hinny, the offspring of a male horse and female donkey; hinnies a...

asparagine

(Encyclopedia)CE5 asparagine əspârˈəjēn [key], organic compound, one of the 20 amino acids commonly found in animal proteins. Only the l-stereoisomer participates in the biosynthesis of mammalian proteins. ...

Marx Brothers

(Encyclopedia)Marx Brothers, team of American movie comedians. The members were Julius (1890?–1977), known as Groucho; Arthur (1888?–1964), originally Adolph and known as Harpo; Leonard (1887?–1961), known as...

tetanus

(Encyclopedia)tetanus tĕtˈnəs, –ənəs [key] or lockjaw, acute infectious disease of the central nervous system caused by the toxins of Clostridium tetani. The organism has a widespread distribution and is com...

Siegfried and Roy

(Encyclopedia) Siegfried and Roy (Siegfried Fischbacher, 1939-2021, b. Rosenheim, Germany; and Roy Uwe Ludwig Horn, 1944-2020, b. Nordenham, Germany), noted German-A...

Chihuahua, breed of dog

(Encyclopedia)Chihuahua chəwäˈwə [key], a breed of small toy dog probably of Asian origin and introduced into Mexico by Spanish settlers. It stands about 5 in. (12.7 cm) high at the shoulder and weighs from 1 t...

clan

(Encyclopedia)clan, social group based on actual or alleged unilineal descent from a common ancestor. Such groups have been known in all parts of the world and include some that claim the parentage or special prote...