bark . Outermost tissues of woody stems, external to the vascular cambium.
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halurgite (ha-lur'-gite). A white monoclinic mineral: Mg2[B4O5(OH)4]2•H2O .
redingtonite (red'-ing-ton-ite''). A silky white or purple mineral of the halotrichite group: (Fe2+,Mg,Ni)(Cr,Al)2(SO4)4•22H2O . It has not been adequately characterized.
lunitidal interval (lu-ni-tid'-al). The interval between the Moon's transit over the local meridian and the time of the following high water. Syn: retardation [tides].
rhodite (rho'-dite). A rhodium-bearing (about 40%) variety of gold.
inbreak (in'-break). A subsidence of the surface over a mine due to subterranean shattering of rock material. Cf: crown-in; flash [mining]; creep [mining].
high-angle cross-bedding (high-an'-gle). Cross-bedding in which the cross-beds have an average maximum inclination of 20° or more (McKee and Weir, 1953, p.388). Cf: low-angle cross-bedding.
cotectic (co-tec'-tic). Said of conditions of temperature, pressure, and composition under which two or more solid phases crystallize simultaneously and without resorption from a single liquid over a finite range of falling temperature; also, said of the geometric form (e.g. line or surface) representing the corresponding phase boundary on the liquidus of a phase diagram.
X-ray emission spectroscopy . The qualitative study of a substance by exciting its characteristic X-ray spectrum and measuring the wavelengths present. Cf: X-ray fluorescence spectroscopy.
bittern (bit'-tern). (a) The bitter liquid remaining after seawater has been concentrated by evaporation until most of the sodium chloride has crystallized out. See also: bittern salt. (b) A natural solution, in an evaporite basin, that resembles a saltworks liquor, esp. in its high magnesium content.