absolute boundary
81linguistics — /ling gwis tiks/, n. (used with a sing. v.) the science of language, including phonetics, phonology, morphology, syntax, semantics, pragmatics, and historical linguistics. [1850 55; see LINGUISTIC, ICS] * * * Study of the nature and structure of… …
82Pennsylvania — • One of the thirteen original United States of America Catholic Encyclopedia. Kevin Knight. 2006. Pennsylvania Pennsylvania † …
83Lower Yangtze Mandarin — Xiajiang Guanhua Spoken in Huai and Yangzi Rivers Language family Sino Tibetan Chinese …
84Cretaceous–Tertiary extinction event — Artist s rendering of bolide impact Badlands nea …
85Vacuum — This article is about empty physical space or the absence of matter. For other uses, see Vacuum (disambiguation). Free space redirects here. For other uses, see Free space (disambiguation). Pump to demonstrate vacuum In everyday usage, vacuum is… …
86biblical literature — Introduction four bodies of written works: the Old Testament writings according to the Hebrew canon; intertestamental works, including the Old Testament Apocrypha; the New Testament writings; and the New Testament Apocrypha. The Old… …
87Mesopotamian religion — Introduction beliefs and practices of the Sumerians and Akkadians, and their successors, the Babylonians and Assyrians, who inhabited ancient Mesopotamia (modern Iraq) in the millennia before the Christian era. These religious beliefs and… …
88fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter. Cf. fluid dynamics. [1940 45] * * * Study of the effects of forces and energy on liquids and gases. One branch of the field, hydrostatics, deals with fluids at… …
89Adiabatic process — This article covers adiabatic processes in thermodynamics. For adiabatic processes in quantum mechanics, see adiabatic process (quantum mechanics). For atmospheric adiabatic processes, see lapse rate. In thermodynamics, an adiabatic process or an …
90Fick's law of diffusion — Fick s laws of diffusion describe diffusion and can be used to solve for the diffusion coefficient D . They were derived by Adolf Fick in the year 1855. First law Fick s first law relates the diffusive flux to the concentration field, by… …
