diffraction (n.)
- amplitude
- antinode
- attenuation
- broadcast
- broadcasting
- crest
- deflection
- diffusion
- dilution
- dispensation
- dispersal
- dispersion
- dissemination
- dissipation
- distortion
- distribution
- divergence
- evaporation
- expansion
- flection
- flexure
- fragmentation
- frequency
- interference
- light
- node
- period
- propagation
- publication
- radiation
- ray
- refraction
- reinforcement
- resonance
- scatter
- scattering
- skewness
- spattering
- splay
- spread
- spreading
- sprinkling
- strewing
- torsion
- trough
- wave
- wavelength
