enclosing structures
91Microelectromechanical system oscillator — Microelectromechanical system (MEMS) oscillators are timing devices that generate highly stable reference frequencies. These reference frequencies are used to sequence electronic systems, manage data transfer, define radio frequencies, and… …
92Dyson sphere — A Dyson sphere (or shell as it appeared in the original paper) is a hypothetical megastructure originally described by Freeman Dyson. Such a sphere would be a system of orbiting solar power satellites meant to completely encompass a star and… …
93Smalltalk — This article is about the programming language. For other uses, see Small talk (disambiguation). Smalltalk Smalltalk 80: The Language and its Implementation, a.k.a. the Blue book , a seminal book on the language Paradigm(s) object oriented… …
94Baroque architecture — Façade of the Church of the Gesù, the first truly baroque façade.[1] Baroque architecture is a term used to describe the building style of the Baroque era, begun in late sixteenth century Italy, that took the Roman vocabulary of Renaissance… …
95Motte-and-bailey — A motte and bailey is a form of castle, with a wooden or stone keep situated on a raised earthwork called a motte, accompanied by an enclosed courtyard, or bailey, surrounded by a protective ditch an …
96Russian architecture — follows a tradition whose roots were established in the Eastern Slavic state of Kievan Rus . After the fall of Kiev, Russian architectural history continued in the principalities of Vladimir Suzdal, and Novgorod, and the succeeding states of… …
97Origins and architecture of the Taj Mahal — Mausoleum of the Taj Mahal complex at Agra, India The Taj Mahal represents the finest and most sophisticated example of Mughal architecture. Its origins lie in the moving circumstances of its commission and the culture and history of an Islamic… …
98fern — fernless, adj. fernlike, adj. /ferrn/, n. any seedless, nonflowering vascular plant of the class Filicinae, of tropical to temperate regions, characterized by true roots produced from a rhizome, triangular fronds that uncoil upward and have a… …
99Fern — /ferrn/, n. a female given name. * * * Any of about 10,000–12,000 species (division Filicophyta) of nonflowering vascular plants that have true roots, stems, and complex leaves and reproduce by spores. Though ferns were once classified with the… …
100lipid — /lip id, luy pid/, n. Biochem. any of a group of organic compounds that are greasy to the touch, insoluble in water, and soluble in alcohol and ether: lipids comprise the fats and other esters with analogous properties and constitute, with… …
