Similar words: proactive, retroactively, active, actively, hyperactive, attractive, interactive, active transport. Meaning: ['reɪdɪəʊ'æktɪv] 
adj. exhibiting or caused by radioactivity.
adj. exhibiting or caused by radioactivity. 
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151 Officials admit that another 700 firms and institutions are using hazardous radioactive material.
152 According to its radioactive content, it is designated by the industry as either low, intermediate or high level.
153 They include a laboratory for handling tritium, the heavy radioactive isotope of hydrogen which is a fuel for fusion reactors.
154 Finding ways of soothing political opposition to the dumping of highly radioactive waste could prove more difficult than solving the scientific problems.
155 This has been particularly useful in the nuclear industry where highly corrosive toxic and radioactive substances cause severe maintenance problems.
156 Every radioactive isotope provides an independent clock for measuring geological time.
157 This is because higher level waste is initially rich in short-lived isotopes which are highly radioactive.
158 It feels like time spent on the moon,[www.Sentencedict.com] kicking up clouds of radioactive dust.
159 Tritium is radioactive water used as a coolant in submarines' reactors.
160 A conventional bomb could scatter radioactive material over a large area.
161 Some of this can be 1,000 times more radioactive than low-level waste, and its activity will last centuries rather than decades.
162 The process produces a much smaller volume of chemically inert radioactive waste than conventional ion exchange techniques.
163 Urquhart has extrapolated from this the likely radioactive release of polonium.
164 Thus even age measurements such as radioactive clocks that are independent of annual cycles need to be converted into years.
165 These costs linger like radioactive fallout, contaminating core beliefs and inspiring additional replicative actions that demand further minimization.
166 The residual nucleus will, in general, undergo a radioactive transformation.
167 Wine is radioactive but few people stop drinking it on that account.
168 a ban on the dumping of radioactive waste at sea.
169 All discharges and disposals of radioactive waste from Springfields were within relevant limits.
170 The radioactive wastes release a lot of energy due to radioactive disintegration.
171 A naturally or artificially produced radioactive isotope of an element.
172 When the organism dies, no new radioactive carbon is assimilated.
More similar words: proactive, retroactively, active, actively, hyperactive, attractive, interactive, active transport, contradiction, activity, activist, deductive, addictive, detective, objective, effective, subjective, productive, collective, perspective, respective, afflictive, vindictive, protective, distinctive, destructive, effectively, collectively, constructive, respectively.