A

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

X

Y

Z

Abelian group
absolute structure
absorption coefficient
absorption edge
absorption threshold
acceptance domain
acentric distribution
ADPs
affine isomorphism
affine mapping
allotwin
anisotropic displacement parameters
anomalous absorption
anomalous dispersion
anomalous scattering
anomalous transmission
aperiodic crystal
aristotype
arithmetic crystal class
asymmetric unit
atomic modulation function
atomic scattering factor
atomic surface
automorphism