Transcription
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- US Pronunciation
- US IPA
- UK Pronunciation
- UK IPA
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- [rey-dee-oh-ak-tiv-i-tee]
- /ˌreɪ di oʊ ækˈtɪv ɪ ti/
- /ˌreɪ.di.əʊ.ækˈtɪv.ɪ.ti/
-
- US Pronunciation
- US IPA
-
- [rey-dee-oh-ak-tiv-i-tee]
- /ˌreɪ di oʊ ækˈtɪv ɪ ti/
Definitions of radioactivity word
- noun radioactivity the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element. 1
- noun radioactivity emission of radiation 1
- noun radioactivity radiation emitted 1
- noun radioactivity the spontaneous emission of radiation from atomic nuclei. The radiation can consist of alpha, beta, and gamma radiation 0
Information block about the term
Origin of radioactivity
First appearance:
before 1895 One of the 18% newest English words
First recorded in 1895-1900; radio- + activity
Historical Comparancy
Parts of speech for Radioactivity
noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
radioactivity popularity
A common word. It’s meaning is known to most children of preschool age. About 71% of English native speakers know the meaning and use the word.
Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".
radioactivity usage trend in Literature
This diagram is provided by Google Ngram ViewerSynonyms for radioactivity
noun radioactivity
- actinism — that property of ultraviolet light, X-rays, or other radiations, by which chemical changes are produced
- cathode ray — a flow of electrons emanating from a cathode in a vacuum tube and focused into a narrow beam.
- cathode rays — a stream of electrons emitted from the surface of a cathode in a valve
- conductivity — the property of transmitting heat, electricity, or sound
- fluoroscope — a tube or box fitted with a screen coated with a fluorescent substance, used for viewing objects, especially deep body structures, by means of x-ray or other radiation.
Top questions with radioactivity
- what is radioactivity?
- who discovered radioactivity?
- when was radioactivity discovered?
- what causes radioactivity?
- what is meant by radioactivity?
- what is the source of radioactivity?
- what does radioactivity mean?
- radioactivity is produced when unstable nuclei?
- how does radioactivity work?
- who discovered the radioactivity of uranium?
- how can radioactivity be detected?
- how to detect radioactivity?
- who named radioactivity?
- radioactivity is measured by which instrument?
- when did marie curie discovered radioactivity?
See also
Matching words
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