expressed in terms of

  • 81combinatorics — /keuhm buy neuh tawr iks, tor , kom beuh /, n. (used with singular v.) See combinatorial analysis. * * * Branch of mathematics concerned with the selection, arrangement, and combination of objects chosen from a finite set. The number of possible… …

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  • 82acid–base reaction — ▪ chemistry Introduction       a type of chemical process typified by the exchange of one or more hydrogen ions, H+, between species that may be neutral (molecules, such as water, H2O; or acetic acid, CH3CO2H) or electrically charged (ions, such… …

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  • 83Acoustic theory — is the field relating to mathematical description of sound waves. It is derived from fluid dynamics. See acoustics for the engineering approach.The propagation of sound waves in a fluid (such as air) can be modeled by an equation of motion… …

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  • 84Gnosticism — This article is part of a series on Gnosticism History of Gnosticism …

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  • 85hydrologic sciences — Introduction       the fields of study concerned with the waters of the Earth. Included are the sciences of hydrology, oceanography, limnology, and glaciology.       In its widest sense hydrology encompasses the study of the occurrence, the… …

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  • 86religious symbolism and iconography — Introduction       respectively, the basic and often complex artistic forms and gestures used as a kind of key to convey religious concepts and the visual, auditory, and kinetic representations of religious ideas and events. Symbolism and… …

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  • 87Liquid crystal display — LCD redirects here. For other uses, see LCD (disambiguation). Reflective twisted nematic liquid crystal display. Polarizing filter film with a vertical axis to polarize light as it enters. Glass substrate with ITO electrodes. The shapes of these… …

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  • 88Euclidean vector — This article is about the vectors mainly used in physics and engineering to represent directed quantities. For mathematical vectors in general, see Vector (mathematics and physics). For other uses, see vector. Illustration of a vector …

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  • 89Conditional preservation of the saints — The Five Articles of Remonstrance Conditional election Unlimited atonement Total depravity …

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  • 90Drucker Prager yield criterion — Continuum mechanics …

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