RADIOACTIVITY (RADIATION; RADIOACTIVE)

Meaning of RADIOACTIVITY (RADIATION; RADIOACTIVE) in English

Spontaneous emission of particles or high-energy electromagnetic radiation from the nuclei of unstable atoms. "Radiation" refers to the emissions, and "radioactive source" refers to the source of the radiation.

General chemistry English glossary. Английский глоссарий общей химии. 2012

RADIOACTIVE — radio·active adj radioactive
Interlingua English vocab
RADIOACTIVE — radyo-aktibo
English-Visayan vocabulary
RADIOACTIVITY — noun Etymology: International Scientific Vocabulary Date: 1899 the property possessed by some elements (as uranium) or isotopes (as carbon 14) …
Толковый словарь английского языка - Merriam Webster
RADIOACTIVE — adjective Etymology: International Scientific Vocabulary Date: 1898 of, caused by, or exhibiting radioactivity, ~ly adverb
Толковый словарь английского языка - Merriam Webster
RADIOACTIVITY — Property exhibited by certain types of matter of emitting radiation spontaneously. The phenomenon was first reported in 1896 by uranium …
Английский словарь Британика
RADIATION — I Process by which energy is emitted from a source and propagated through the surrounding medium, or the energy involved …
Английский словарь Британика
RADIATION — I. ˌrādēˈāshən noun ( -s ) Etymology: Latin radiation-, radiatio, from radiatus (past participle of radiare to radiate) + -ion-, …
Webster's New International English Dictionary
RADIOACTIVITY — ˌrādēˌo+ noun Etymology: International Scientific Vocabulary radio- + activity : the emission of radiant energy : the property, possessed by …
Webster's New International English Dictionary
RADIOACTIVE — “+ adjective Etymology: International Scientific Vocabulary radio- + active : of, relating to, caused by, or exhibiting radioactivity radioactive element …
Webster's New International English Dictionary
RADIOACTIVITY — /ray'dee oh ak tiv"i tee/ , n. Physics, Chem. the phenomenon, exhibited by and being a property of certain elements, …
Random House Webster's Unabridged English Dictionary
RADIOACTIVE — — radioactively , adv. /ray'dee oh ak"tiv/ , adj. Physics, Chem. of, pertaining to, exhibiting, or caused by radioactivity. [ …
Random House Webster's Unabridged English Dictionary
RADIOACTIVITY — n. emission of energy due to atomic decay, production of radiation as a result of atomic breakdown
Толковый словарь английского языка - Редакция bed
RADIOACTIVE — adj. emitting energy as a result of atomic decay, radiating energy in waves or moving particles
Толковый словарь английского языка - Редакция bed
RADIOACTIVITY — noun Etymology: International Scientific Vocabulary Date: 1899 : the property possessed by some elements (as uranium) or isotopes (as carbon …
Merriam-Webster's Collegiate English vocabulary
RADIOACTIVE — adjective Etymology: International Scientific Vocabulary Date: 1898 : of, caused by, or exhibiting radioactivity • ra·dio·ac·tive·ly adverb
Merriam-Webster's Collegiate English vocabulary
RADIOACTIVITY — ■ noun the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei. ↘radioactive particles.
Concise Oxford English vocab
RADIOACTIVE — ■ adjective emitting or relating to the emission of ionizing radiation or particles. Derivatives ~ly adverb
Concise Oxford English vocab
RADIOACTIVITY — [ra.dio.ac.tiv.i.ty] n [ISV] (1899): the property possessed by some elements (as uranium) or isotopes (as carbon 14) of spontaneously emitting …
Merriam-Webster English vocab
RADIOACTIVE — [ra.dio.ac.tive] adj [ISV] (1898): of, caused by, or exhibiting radioactivity -- ra.dio.ac.tive.ly adv
Merriam-Webster English vocab
RADIOACTIVITY — property exhibited by certain types of matter of emitting energy and subatomic particles spontaneously. It is, in essence, an attribute …
Britannica English vocabulary
RADIATION — either the process by which energy is emitted from a source and propagated through the surrounding medium or the energy …
Britannica English vocabulary
RADIOACTIVITY — radioactivity BrE AmE ˌreɪd i‿əʊ æk ˈtɪv ət i -ɪt i AmE \ -oʊ æk ˈtɪv ət̬ i
Longman Pronunciation English Dictionary
RADIOACTIVE — radioactive BrE AmE ˌreɪd i‿əʊ ˈækt ɪv ◂ AmE \ ˌ••oʊ- ▷ radioactive|ly li ▶ ˌ radio ˌ active de …
Longman Pronunciation English Dictionary
RADIOACTIVITY — ➡ radioactive
Oxford Advanced Learner's English Dictionary
RADIOACTIVE — / ˌreɪdiəʊˈæktɪv; NAmE -oʊˈæk-/ adjective sending out harmful radiation caused when the nuclei (= central parts) of atoms are broken …
Oxford Advanced Learner's English Dictionary
RADIATION — / ˌreɪdiˈeɪʃn; NAmE / noun 1. [ U , C ] powerful and very dangerous rays that are sent out …
Oxford Advanced Learner's English Dictionary
RADIOACTIVITY — ra ‧ di ‧ o ‧ ac ‧ tiv ‧ i ‧ ty /ˌreɪdiəʊækˈtɪvəti, ˌreɪdiəʊækˈtɪvɪti $ -dioʊ-/ BrE AmE noun …
Longman Dictionary of Contemporary English
RADIOACTIVE — ra ‧ di ‧ o ‧ ac ‧ tive /ˌreɪdiəʊˈæktɪv◂ $ -dioʊ-/ BrE AmE adjective a radioactive substance is dangerous …
Longman Dictionary of Contemporary English
RADIATION — ra ‧ di ‧ a ‧ tion /ˌreɪdiˈeɪʃ ə n/ BrE AmE noun [uncountable] 1 . a form of energy …
Longman Dictionary of Contemporary English
RADIOACTIVITY — n. the spontaneous disintegration of atomic nucleii, with the emission of usu. penetrating radiation or particles.
Английский основной разговорный словарь
RADIOACTIVE — adj. of or exhibiting radioactivity. øøradioactively adv.
Английский основной разговорный словарь
RADIATION — n. 1 the act or an instance of radiating; the process of being radiated. 2 Physics a the emission of …
Английский основной разговорный словарь
RADIOACTIVITY — n. the spontaneous disintegration of atomic nucleii, with the emission of usu. penetrating radiation or particles.
Concise Oxford English Dictionary
RADIOACTIVE — adj. of or exhibiting radioactivity. radioactively adv.
Concise Oxford English Dictionary
RADIATION — n. 1 the act or an instance of radiating; the process of being radiated. 2 Physics a the emission of …
Concise Oxford English Dictionary
RADIOACTIVITY — n. the spontaneous disintegration of atomic nucleii, with the emission of usu. penetrating radiation or particles.
Oxford English vocab
RADIOACTIVE — adj. of or exhibiting radioactivity. Derivatives: radioactively adv.
Oxford English vocab
RADIATION — n.1 the act or an instance of radiating; the process of being radiated. 2 Physics a the emission of energy …
Oxford English vocab
RADIOACTIVITY — see radioactive
Collins COBUILD Advanced Learner's English Dictionary
RADIOACTIVE — Something that is radioactive contains a substance that produces energy in the form of powerful and harmful rays. The government …
Collins COBUILD Advanced Learner's English Dictionary
RADIATION — 1. Radiation consists of very small particles of a radioactive substance. Large amounts of radiation can cause illness and death. …
Collins COBUILD Advanced Learner's English Dictionary
RADIOACTIVE — Something that is ~ contains a substance that produces energy in the form of powerful and harmful rays. The government …
Collins COBUILD - Толковый словарь английского языка для изучающих язык
RADIOACTIVITY — noun EXAMPLES FROM OTHER ENTRIES ▪ Workers were exposed to high levels of radioactivity . EXAMPLES FROM CORPUS ▪ As …
Longman DOCE5 Extras English vocabulary
RADIOACTIVE — adjective COLLOCATIONS FROM OTHER ENTRIES a radioactive substance (= containing a form of energy that can harm people ) ▪ …
Longman DOCE5 Extras English vocabulary
RADIATION
Longman DOCE5 Extras English vocabulary
RADIOACTIVITY — [noun] [U] - the quality that some atoms have of producing energy, which might be harmful even in very small …
Cambridge English vocab
RADIOACTIVE — [adjective]Radioactive means possessing or producing the energy which comes from the breaking up of atoms.a radioactive gasUranium is a radioactive …
Cambridge English vocab
RADIOACTIVITY — n. Property exhibited by certain types of matter of emitting radiation spontaneously. The phenomenon was first reported in 1896 by …
Britannica Concise Encyclopedia
RADIATION — n. braking radiation Cherenkov radiation cosmic background radiation electromagnetic radiation Hawking radiation infrared radiation enhanced radiation warhead radiation injury radiation …
Britannica Concise Encyclopedia
RADIATION — n. Process by which energy is emitted from a source and propagated through the surrounding medium, or the energy involved …
Britannica Concise Encyclopedia
RADIOACTIVITY — Synonyms and related words : activity, artificial radioactivity, contamination, curiage, decontamination, fallout, half-life, natural radioactivity, nuclear radiation, radiant energy, radiation, …
Moby Thesaurus English vocabulary
RADIOACTIVE — adj.
Oxford Collocations Dictionary Second Edition
RADIOACTIVITY — noun … OF RADIOACTIVITY ▪ level ▪ The soil contains 30 times the acceptable level of ~. VERB + RADIOACTIVITY ▪ …
Oxford Collocations English Dictionary
RADIOACTIVE — adj. VERBS ▪ be ▪ become ▪ remain ADVERB ▪ dangerously , highly ▪ slightly Radioactive is used with these …
Oxford Collocations English Dictionary
RADIATION — n. 25B6; noun . See lists here and at element . Types of Radiation alpha radiation infrared (IR) radiation background …
Concise Oxford Thesaurus English vocabulary
RADIOACTIVE — Having the property of releasing radiation.
Environmental Engineering English vocabulary
RADIOACTIVE — Giving off radiation.
English Dictionary of Medicine
RADIOACTIVE — Giving off radiation.
NCI English Dictionary of Cancer Terms
RADIOACTIVITY — сущ. радиоактивность Syn : radio-activity радиоактивность - induced * (физическое) искусственная радиоактивность - contaminating * загрязняющие радиоактивные вещества radioactivity радиоактивность
Большой Англо-Русский словарь
RADIOACTIVE — прил. радиоактивный Syn : radio-active радиоактивный - highly * высоко(радио)активный - * series (физическое) радиоактивный ряд - * tracer (физическое) …
Большой Англо-Русский словарь
RADIATION — сущ. 1) а) излучение, лучеиспускание; радиация, радиоизлучение to emit radiation ≈ излучать to absorb radiation ≈ поглощать излучение nuclear radiation …
Большой Англо-Русский словарь
RADIOACTIVE — Радиоактивность
Американский Англо-Русский словарь
RADIOACTIVITY — radioactivity.ogg ͵reıdıəʋækʹtıvıtı n радиоактивность induced natural radioactivity - физ. искусственная естественная радиоактивность contaminating radioactivity - загрязняющие радиоактивные вещества
Англо-Русско-Английский словарь общей лексики - Сборник из лучших словарей
RADIOACTIVE — radioactive.ogg ͵reıdıəʋʹæktıv a радиоактивный highly radioactive - высоко(радио)активный radioactive series - физ. радиоактивный ряд radioactive tracer - физ. изотопный /радиоактивный/ …
Англо-Русско-Английский словарь общей лексики - Сборник из лучших словарей

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