radiation 音标拼音: [r
, edi'eʃən]
n . 放射,发射;放射物;散热器;射线疗法
放射,发射;放射物;散热器;射线疗法
radiation 辐射
radiation n 1 :
energy that is radiated or transmitted in the form of rays or waves or particles 2 :
the act of spreading outward from a central source 3 :
syndrome resulting from exposure to ionizing radiation (
e .
g .,
exposure to radioactive chemicals or to nuclear explosions );
low doses cause diarrhea and nausea and vomiting and sometimes loss of hair ;
greater exposure can cause sterility and cataracts and some forms of cancer and other diseases ;
severe exposure can cause death within hours ; "
he was suffering from radiation " [
synonym : {
radiation sickness },
{
radiation syndrome }, {
radiation }]
4 :
the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay [
synonym : {
radiation },
{
radioactivity }]
5 :
the spread of a group of organisms into new habitats 6 :
a radial arrangement of nerve fibers connecting different parts of the brain 7 : (
medicine )
the treatment of disease (
especially cancer )
by exposure to a radioactive substance [
synonym : {
radiotherapy },
{
radiation therapy }, {
radiation }, {
actinotherapy },
{
irradiation }]
Radiation \
Ra `
di *
a "
tion \ (
r [=
a ]`
d [
i ^]*[=
a ]"
sh [
u ^]
n ),
n . [
L .
radiatio :
cf .
F .
radiation .]
1 .
The act of radiating ,
or the state of being radiated ;
emission and diffusion of rays of light ;
beamy brightness .
[
1913 Webster ]
2 .
The shooting forth of anything from a point or surface ,
like the diverging rays of light ;
as ,
the radiation of heat .
[
1913 Webster ]
111 Moby Thesaurus words for "
radiation ":
X ray ,
actinic ray ,
actinism ,
arc lighting ,
asteroids ,
atomic beam ,
atomic ray ,
attenuation ,
aurora particles ,
beam ,
beam of light ,
black and white ,
blackout ,
broadcast ,
broadcasting ,
chiaroscuro ,
circumfusion ,
contrast ,
cosmic particles ,
cosmic ray bombardment ,
decorative lighting ,
diffraction ,
diffusion ,
dilution ,
direct lighting ,
dispensation ,
dispersal ,
dispersion ,
dissemination ,
dissipation ,
distribution ,
divergence ,
electric lighting ,
emanation ,
emission ,
enlightenment ,
evaporation ,
expansion ,
festoon lighting ,
floodlighting ,
fluorescent lighting ,
fragmentation ,
gamma ray ,
gaslighting ,
gleam ,
glow lighting ,
highlight ,
highlights ,
illumination ,
incandescent lighting ,
indirect lighting ,
infrared ray ,
intergalactic matter ,
invisible radiation ,
irradiance ,
irradiancy ,
irradiation ,
leam ,
light ,
light and shade ,
light source ,
lighting ,
luminous energy ,
meteor dust impacts ,
meteors ,
overhead lighting ,
patch ,
pencil ,
peppering ,
photon ,
photosensitivity ,
propagation ,
publication ,
radiance ,
radiancy ,
radiant energy ,
radiorays ,
radius ,
ray ,
ray of light ,
ribbon ,
ribbon of light ,
scattering ,
scatterment ,
shedding ,
shotgun pattern ,
sidelight ,
solar rays ,
sowing ,
space bullets ,
spattering ,
splay ,
spoke ,
spot lighting ,
spread ,
spreading ,
sprinkling ,
stage lighting ,
streak ,
stream ,
stream of light ,
streamer ,
strewing ,
strip lighting ,
the bends ,
tonality ,
ultraviolet ray ,
violet ray ,
visible radiation ,
volatilization ,
weightlessness
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