[noun] The line on a graph that runs horizontally (left to right).
[noun] A form of electromagnetic radiation with higher frequency and energy than any other electromagnetic radiation besides gamma rays. X-rays have various applications, including medical imaging and X-ray crystallography, but can also damage material they come into contact with because of their high energy.
[noun] A technique used to determine the structure and identities of atoms in a compound by exposing a solid crystal of the compound to X-rays and analyzing how the crystal diffracts the X-rays.
[noun] A technique used to determine the arrangement of the atoms in a crystal.
Term of the day
[noun] A theory proposed by Georges Lemaitre (originally known as the "hypothesis of the primeval atom") describing the origin of the universe.…Go to term