diffraction 音标拼音: [dɪfr'ækʃən]
n . 衍射
衍射
diffraction 绕射
diffraction n 1 :
when light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands Diffraction \
Dif *
frac "
tion \,
n . [
Cf .
F .
diffraction .] (
Opt .)
The deflection and decomposition of light in passing by the edges of opaque bodies or through narrow slits ,
causing the appearance of parallel bands or fringes of prismatic colors ,
as by the action of a grating of fine lines or bars .
[
1913 Webster ]
Remarked by Grimaldi (
1665 ),
and referred by him to a property of light which he called diffraction .
--
Whewell .
[
1913 Webster ]
{
Diffraction grating }. (
Optics )
See under {
Grating }.
{
Diffraction spectrum }. (
Optics )
See under {
Spectrum }.
[
1913 Webster ]
76 Moby Thesaurus words for "
diffraction ":
amplitude ,
antinode ,
attenuation ,
broadcast ,
broadcasting ,
circumfusion ,
crest ,
de Broglie wave ,
deflection ,
deflexure ,
diffusion ,
dilution ,
dispensation ,
dispersal ,
dispersion ,
dissemination ,
dissipation ,
distortion ,
distribution ,
divergence ,
electromagnetic radiation ,
electromagnetic wave ,
evaporation ,
expansion ,
flection ,
flexure ,
fragmentation ,
frequency ,
frequency band ,
frequency spectrum ,
guided wave ,
in phase ,
interference ,
light ,
longitudinal wave ,
mechanical wave ,
node ,
out of phase ,
peppering ,
period ,
periodic wave ,
propagation ,
publication ,
radiation ,
radio wave ,
ray ,
refraction ,
reinforcement ,
resonance ,
resonance frequency ,
scatter ,
scattering ,
scatterment ,
seismic wave ,
shock wave ,
shotgun pattern ,
skewness ,
sound wave ,
sowing ,
spattering ,
splay ,
spread ,
spreading ,
sprinkling ,
strewing ,
surface wave ,
tidal wave ,
torsion ,
transverse wave ,
trough ,
volatilization ,
wave ,
wave equation ,
wave motion ,
wave number ,
wavelength
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