(capillarity)
71blotting — General term for the transfer of protein, RNA or DNA molecules from a relatively thick acrylamide or agarose gel to a paper like membrane (usually nylon or nitrocellulose) by capillarity or an electric field, preserving the spatial arrangment.… …
72capillaryaction — capillary action n. See capillarity. * * * …
73desert varnish — the dark, lustrous coating or crust, usually of manganese and iron oxides, that forms on rocks, pebbles, etc., when exposed to weathering in the desert. Also called desert polish. [1900 05] * * * or patina Thin, dark red to black mineral coating… …
74fluid 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… …
75internal energy — Thermodynam. a function of thermodynamic variables, as temperature, that represents the internal state of a system that is due to the energies of the molecular constituents of the system. The change in internal energy during a process is equal to …
76natural gas — a combustible mixture of gaseous hydrocarbons that accumulates in porous sedimentary rocks, esp. those yielding petroleum, consisting usually of over 80 percent methane together with minor amounts of ethane, propane, butane, nitrogen, and,… …
77soil mechanics — the branch of civil engineering that deals with the mechanical behavior of soil and similar materials when they are compressed or sheared or when liquids flow through them. * * * Study of soils and their utilization, especially in planning… …
78supralittoral — /sooh preuh lit euhr euhl/, adj. 1. of or pertaining to the biogeographic region of a shore of a lake, sea, or ocean permanently above water but made damp by spray from waves or by capillarity of the substrate. n. 2. a supralittoral zone or… …
79surface — surfaceless, adj. surfacer, n. /serr fis/, n., adj., v., surfaced, surfacing. n. 1. the outer face, outside, or exterior boundary of a thing; outermost or uppermost layer or area. 2. any face of a body or thing: the six surfaces of a cube. 3.… …
80Young, Thomas — born June 13, 1773, Milverton, Somerset, Eng. died May 10, 1829, London English physicist. Trained as a physician, he practiced medicine at St. George s Hospital (from 1811 until his death) but spent much of his time on scientific research. He… …
