Synonyms for radioactivity
- noun
Most common
Definitions
- n. 1
Spontaneous emission of ionizing radiation as a consequence of a nuclear reaction, or directly from the breakdown of an unstable nucleus.
Forms
- Plural
- radioactivities → radiations…
Example sentences
- radiation Mercury's surface is blasted by solar radiation.
Popularity over time
| Word | 1850 → 2019 | Trend |
|---|---|---|
| radioactivity | falling | |
| radiation | falling |
Use in printed books, per decade from 1850 to 2019.
By length
- 9 letters
- radiation4
The small number after each word is its number of syllables (radiation4 = 4 syllables).