Research topic:acceleration

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acceleration

A Dictionary of Zoology | 1999 | | © A Dictionary of Zoology 1999, originally published by Oxford University Press 1999. (Hide copyright information) Copyright

acceleration Evolution that occurs by increasing the rate of ontogenetic (see ONTOGENY) development, so that further stages can be added before growth is completed. This form of heterochrony was proposed by E. H. Haeckel as one of the principal modes of evolution.

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MICHAEL ALLABY. "acceleration." A Dictionary of Zoology. 1999. Encyclopedia.com. 11 Nov. 2009 <http://www.encyclopedia.com>.

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Related entries from encyclopedias, dictionaries, and thesauruses

acceleration
Book article from: The Columbia Encyclopedia, Sixth Edition acceleration change in the velocity of a body with respect to...quantity, involving both magnitude and direction, acceleration is also a vector. In order to produce an acceleration, a force must be applied to the body. The magnitude...
acceleration of free fall
Book article from: A Dictionary of Astronomy acceleration of free fall (symbol g ) The acceleration experienced by an object falling freely in a gravitational field, also known as the acceleration due to gravity . Its mean value at the Earth's surface...
acceleration, gravitational
Book article from: A Dictionary of Earth Sciences acceleration, gravitational See GRAVITATIONAL ACCELERATION .
Acceleration
Encyclopedia entry from: West's Encyclopedia of American Law ACCELERATION A hastening; a shortening of the time until some event takes place...fails for any reason, the remainder is accelerated. The principle of acceleration can be applied when it becomes clear that one party to a contract is...
Acceleration Clause
Encyclopedia entry from: West's Encyclopedia of American Law ACCELERATION CLAUSE The provision in a credit agreement, such as a mortgage, note...time that payment would otherwise be due. The agreement may call for acceleration whenever there is a default of any important obligation, such as nonpayment...