<h1>Glossary</h1>
<table><tbody>
<tr>	<th>	Term	</th>	<th>	Definition	</th>	</tr>
<tr>	<td><b>	Degree of crystallinity	</b></td>	<td>		</td>	</tr>
<tr>	<td><b>	Lattice	</b></td>	<td>		</td>	</tr>
<tr>	<td><b>	Orthogonal	</b></td>	<td>	perpendicular, at right angles, or 90° to each other	</td>	</tr>
<tr>	<td><b>	Period	</b></td>	<td>	distance between atoms in a lattice	</td>	</tr>
<tr>	<td><b>	Periodicity	</b></td>	<td>		</td>	</tr>
<tr>	<td><b>	x-ray	</b></td>	<td>	Form of energy	</td>	</tr>
<tr>	<td><b>	x-ray diffraction	</b></td>	<td>	Method used to determine	</td>	</tr>
<tr>	<td><b>	Interference	</b></td>	<td>		</td>	</tr>
<tr>	<td><b>	Diffraction	</b></td>	<td>		</td>	</tr>
<tr>	<td><b>	Crystallography	</b></td>	<td>	The study of crystals	</td>	</tr>
<tr>	<td><b>	Faurier series	</b></td>	<td>		</td>	</tr>
<tr>	<td><b>	Cubic	</b></td>	<td>		</td>	</tr>
<tr>	<td><b>	Body Center Cubic (BCC)	</b></td>	<td>		</td>	</tr>
<tr>	<td><b>	Face Center Cubic (FCC)	</b></td>	<td>		</td>	</tr>
<tr>	<td><b>	Tetragonal	</b></td>	<td>		</td>	</tr>
<tr>	<td><b>	Orthorhombic	</b></td>	<td>		</td>	</tr>
<tr>	<td><b>	Rhombohedral	</b></td>	<td>		</td>	</tr>
<tr>	<td><b>	Monoclinic	</b></td>	<td>		</td>	</tr>
<tr>	<td><b>	Triclinic	</b></td>	<td>		</td>	</tr>
<tr>	<td><b>	Plane	</b></td>	<td>	two-dimensional flat surface or direction	</td>	</tr>
<tr>	<td><b>	Amorphous	</b></td>	<td>	Lacking any distinct structure
<tr>	<td><b>	Bragg equation	</b></td>	<td>	Equation used to determine plane positions using x-ray diffraction
</tbody></table>