radiation

Từ điển Việt Anh Việt 4in1 - English Vietnamese 4 in 1 Dictionary

ra‧di‧a‧tion /ˌreɪdiˈeɪʃən/ BrE AmE noun [uncountable]
1. a form of energy that comes especially from ↑nuclear reactions, which in large amounts is very harmful to living things:
An accident at the power station could result in large amounts of radiation being released.
a lethal dose of radiation
2. energy in the form of heat or light that is sent out as waves that you cannot see:
Sun creams work by blocking harmful ultraviolet radiation.
• • •
COLLOCATIONS (for Meanings 1 & 2)
ADJECTIVES/NOUN + radiation
▪ nuclear radiation Nuclear radiation has a devastating effect on living cells.
▪ solar radiation (=from the sun) How can solar radiation be trapped and used?
▪ cosmic radiation (=from space) The spacecraft is fitted with a shield to block cosmic radiation.
▪ ultraviolet/infra-red radiation (=from the light produced by the sun) Ultraviolet radiation damages DNA in plants.
▪ gamma/alpha/beta radiation technical (=radiation given off by the atomic matter of gamma, alpha, or beta rays) The conventional treatment for cancer is to bombard the tumour with gamma radiation.
▪ background radiation (=the radiation normally present in the environment) In some parts of the world, background radiation is very high.
radiation + NOUN
▪ a radiation leak A radiation leak occurred at a Russian nuclear power station.
▪ radiation levels The background radiation level was normal.
verbs
▪ give off radiation (also emit radiation formal) (=produce it) The lamps emit ultra-violet radiation.
▪ absorb radiation It is thought that a black hole absorbs any solar radiation that reaches it.
▪ be exposed to radiation (=be put in a situation where you are not protected from harmful radiation, especially nuclear radiation ) The servicemen claimed they were illegally exposed to radiation during atomic tests.
phrases
▪ a dose of radiation (=an amount of radiation that someone experiences) Workers at the site received high doses of radiation.
▪ exposure to radiation (=when someone is near to a substance that gives off harmful radiation, especially nuclear radiation) One cause of leukaemia is exposure to radiation.

radiationhu

◎	[,reidi'ei∫n]
※	danh từ
	■	sự bức xạ, sự phát xạ, sự toả ra (nhiệt, năng lượng..); phóng xạ
		☆	radiation reaction
			phản ứng bức xạ
		☆	a low/high level of radiation
			mức độ phóng xạ thấp/cao
	■	vật được bức xạ (nhất là những hạt phóng xạ)

• Từ đồng nghĩa / Synonyms:
  radiotherapy, radiation therapy, actinotherapy, irradiation, radioactivity, radiation sickness, radiation syndrome