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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...

sawmill

(Encyclopedia)sawmill, installation or facility in which cut logs are sawed into standard-sized boards and timbers. The saws used in such an installation are generally of three types: the circular saw, which consis...

Carlsbad, cities, United States

(Encyclopedia)Carlsbad kärlzˈbăd [key]. 1 City (2020 pop. 114,746), San Diego co., S Calif., on the Paci...

Durango, city, Mexico

(Encyclopedia)Durango vēktôrˈyä ᵺā [key], city, capital of Durango state, N central Mexico, along the highway ...

grease

(Encyclopedia)grease, mixture of lubricant and thickener. It is used to reduce friction between surfaces from which oils would leak away or cause damage by dripping, or where lubrication must be assured for extende...

Ashokan Reservoir

(Encyclopedia)Ashokan Reservoir əshōˈkən [key], 13 sq mi (34 sq km), SE N.Y., completed 1912. It is supplied by the Esopus and Schoharie watersheds and provides part of New York City's water supply. Water is ca...

water glass

(Encyclopedia)water glass or soluble glass, colorless, transparent, glasslike substance available commercially as a powder or as a transparent, viscous solution in water. Chemically it is sodium silicate, potassium...

Bichon Frise

(Encyclopedia)Bichon Frise bēshôNˈ frēs [key], breed of small dog developed in France after World War I. It stands from 8 to 12 in. (20–30 cm) high at the shoulder and has a profuse, silky coat that is loosel...

Valencia, Guillermo

(Encyclopedia)Valencia, Guillermo gēyārˈmō välānˈsyä [key], 1873–1943, Colombian poet, one of the leaders of modernismo. He came from an aristocratic family, received solid classical training, and became ...

Tibetan terrier

(Encyclopedia)Tibetan terrier, breed of medium-sized dog originating in Tibet probably several thousand years ago. It stands from 14 to 16 in. (35.6–40.6 cm) high at the shoulder and weighs from 15 to 30 lb (6.8�...