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lightning
(Encyclopedia)lightning, electrical discharge accompanied by thunder, commonly occurring during a thunderstorm. The discharge may take place between one part of a cloud and another part (intracloud), between one cl...grafting
(Encyclopedia) CE5 Two methods of grafting grafting, horticultural practice of uniting parts of two plants so that they grow as one. The scion, or cion, the part grafted onto the stock or rooted part, may be a s...Hague Tribunal
(Encyclopedia)Hague Tribunal, popular name for the Permanent Court of Arbitration established in 1899 by a convention of the First Hague Peace Conference to facilitate arbitration and other forms of dispute resolut...motorboating
(Encyclopedia)motorboating, sport of navigating a motor-powered vessel on the water. It is done on either fresh- or saltwater and may be competitive or recreational. The first successful motorboat traveled (1887) a...Mill, James
(Encyclopedia)Mill, James, 1773–1836, British philosopher, economist, and historian, b. Scotland; father of John Stuart Mill. Educated as a clergyman at Edinburgh through the patronage of Sir John Stuart, Mill ga...parent and child
(Encyclopedia)parent and child, legal relationship, created by biological (birth) relationship or by adoption, that confers certain rights and duties on parent and child; in some states the courts have given the no...Crimean-Congo hemorrhagic fever
(Encyclopedia)Crimean-Congo hemorrhagic fever, acute, sometimes fatal disease endemic in many parts of Eurasia and Africa, caused by a tick-borne virus. The virus, an RNA virus (Nairovirus) of the Bunyaviridae fami...veto
(Encyclopedia)veto [Lat.,=I forbid], power of one functionary (e.g., the president) of a government, or of one member of a group or coalition, to block the operation of laws or agreements passed or entered into by ...whooping cough
(Encyclopedia)whooping cough or pertussis, highly communicable infectious disease caused by the bacterium Bordetella pertussis. The early or catarrhal stage of whooping cough is manifested by the usual symptoms of ...mutation
(Encyclopedia)mutation, in biology, a sudden, random change in a gene, or unit of hereditary material, that can alter an inheritable characteristic. Most mutations are not beneficial, since any change in the delica...Browse by Subject
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