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Result search of : I
Title Description
 Identity   In X-ray crystallography, the distance along a crystallographic between like points in a lattice. b. In geometrical crystallography, the completion of a sequence of symmetry operations, e.g., four rotations of 90 degrees each about a tetrad.  
 Ignition   Percussion material or detonating powder. Standard, 2 b. The firing of an explosive mixture of gases, vapors, or other substances by means of an electrical or frictional spark. CTD c. An outburst or fire or an explosion. Mason d. The act of igniting, or the state of being ignited; specif., in mechanics, the act of exploding the charge of gases in the cylinder of an internal combustion engine. 
 Igneous   Said of a rock or mineral that solidified from molten or partly molten material, i.e., from a magma; also, applied to processes leading to, related to, or resulting from the formation of such rocks. Igneous rocks constitute one of the three main classes into which rocks are divided, the others being metamorphic and sedimentary. Etymol: Latin ignis, fire. See also: magmatic; plutonic; pyrogenic; hypabyssal; extrusive.  
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