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plywood

(Encyclopedia)plywood, manufactured board composed of an odd number of thin sheets of wood glued together under pressure with grains of the successive layers at right angles. Laminated wood differs from plywood in ...

blood substitute

(Encyclopedia)blood substitute, substance that mimics the function of blood. Blood substitutes typically concentrate only on reproducing the function of hemoglobin, the molecule that carries oxygen through the body...

Charter Oak

(Encyclopedia)Charter Oak, white oak tree that until 1856 stood in Hartford, Conn., and was thought to be 1,000 years old. There is a tradition that when Sir Edmund Andros, as governor-general of New England, deman...

evening star

(Encyclopedia)evening star or morning star, planet that becomes visible in the western sky shortly after sunset or in the eastern sky shortly before sunrise. It can usually be seen in twilight, when it is too light...

palpitation

(Encyclopedia)palpitation pălˌpĭtāˈshən [key], abnormal heartbeat that is often associated with a sensation of fluttering or thumping. The normal heartbeat is not noticeable to the individual. Palpitation may...

antipodes, in geography

(Encyclopedia)antipodes [Gr.,=having feet opposite], people or places diametrically opposite on the globe. Thus antipodes must be separated by half the circumference of the earth (180°), and one must be as far nor...

Bona Dea

(Encyclopedia)Bona Dea bōˈnə dēˈə [key], in Roman religion, ancient fertility goddess worshiped only by women; also called Fauna. She was said to be the daughter, sister, or wife of Faunus. No man could be pr...

reservoir

(Encyclopedia)reservoir rĕzˈəvôr, –vwär [key], storage tank or wholly or partly artificial lake for storing water. Building an embankment or dam to preserve a supply of water for irrigation is an ancient pra...

fraud

(Encyclopedia)fraud, in law, willful misrepresentation intended to deprive another of some right. The offense, generally only a tort, may also constitute the crime of false pretenses. Frauds are either actual or co...

Apatosaurus

(Encyclopedia)Apatosaurus ăpˌətəsôrˈəs, āˌpătˌə– [key], [Gr.,=deceptive lizard], quadruped saurischian dinosaur, estimated to be from 70 to 90 ft (21 to 27 m) in length and to weigh up to 30 tons (27 ...