the equation representing the relation between selected values of one variable (x) and observed values of the other (y); it permits the prediction of the most probable values of y

the scattering of X rays by the atoms of a crystal; the diffraction pattern shows structure of the crystal

an abnormal state in which development has stopped prematurely

the relation between selected values of x and observed values of y (from which the most probable value of y can be predicted for any value of x)

the 25th letter of the Roman alphabet

the 25th letter of the Roman alphabet