Englishfor English speakers
backward
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adverb
(= back, rearward, rearwards)
at or to or toward the back or rear
he moved back
tripped when he stepped backward
she looked rearward out the window of the car
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adverb
in a manner or order or direction the reverse of normal
it's easy to get the 'i' and the 'e' backward in words like 'seize' and 'siege'
the child put her jersey on backward
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adjective
directed or facing toward the back or rear
a backward view
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adjective
(used of temperament or behavior) marked by a retiring nature
a backward lover
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adjective
having made less than normal progress
an economically backward country
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adjective
retarded in intellectual development
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adverb
(= back)
in or to or toward a past time
set the clocks back an hour
never look back
lovers of the past looking fondly backward
radiation
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noun
energy that is radiated or transmitted in the form of rays or waves or particles
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noun
the act of spreading outward from a central source
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noun
a radial arrangement of nerve fibers connecting different parts of the brain
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noun
the spread of a group of organisms into new habitats
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noun
the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
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noun
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
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noun
(= radiotherapy)
(medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance