D2I1F4F4R1A1C3T1I1O1N1
20 points
DIFFRACTION is validvalid
[n DIFFRACTIONS]
a modification which light undergoes esp. in passing by the edges of opaque bodies or through narrow openings and in which the rays appear to be deflected [n -S]
[n DIFFRACTIONS]
a modification which light undergoes esp. in passing by the edges of opaque bodies or through narrow openings and in which the rays appear to be deflected [n -S]