The radioactivity leaked out of the nuclear power plant.
Source: tatoeba (321010)
Radioactivity
//ˌreɪdɪəʊakˈtɪvɪti//
Synonyms for "radioactivity" (23 found)
Ranked by relevance and common usage.
Closest matches (5)
Strong matches (7)
Related words (11)
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
More general
1 entriesMore specific
5 entriesSynonyms
1 entriesRelated terms
9 entriesderived
1 entriesderived from
3 entriesrelated to
14 entriesTranslations
73 translations across 41 languages.
Afrikaans
2 entries- radioaktiwiteit noun (emission of ionizing radiation)
- radioaktiwiteit noun (radiation emitted)
Basque
2 entries- erradioaktibitate noun (emission of ionizing radiation)
- erradioaktibitate noun (radiation emitted)
Belarusian
1 entries- радыеакты́ўнасць noun (radiation emitted)
Bulgarian
2 entries- радиоакти́вност noun (radiation emitted)
- радиоактивност noun (emission of ionizing radiation)
Catalan
2 entries- radioactivitat noun (emission of ionizing radiation)
- radioactivitat noun (radiation emitted)
Chinese Mandarin
3 entries- 放射 noun (radiation emitted)
- 放射性 noun (emission of ionizing radiation)
- 放射線 /放射线 noun (radiation emitted)
Czech
2 entries- radioaktivita noun (emission of ionizing radiation)
- radioaktivita noun (radiation emitted)
Danish
1 entries- radioaktivitet noun (emission of ionizing radiation)
Dutch
2 entries- radioactiviteit noun (emission of ionizing radiation)
- radioactiviteit noun (radiation emitted)
Esperanto
1 entries- radioaktiveco noun (emission of ionizing radiation)
Faroese
1 entries- geislavirkni noun (emission of ionizing radiation)
Finnish
2 entries- radioaktiivisuus noun (emission of ionizing radiation)
- radioaktiivisuus noun (radiation emitted)
French
2 entries- radioactivité noun (emission of ionizing radiation)
- radioactivité noun (radiation emitted)
Georgian
4 entries- რადიაქტივობა noun (emission of ionizing radiation)
- რადიაქტივობა noun (radiation emitted)
- რადიოაქტიურობა noun (emission of ionizing radiation)
- რადიოაქტიურობა noun (radiation emitted)
German
2 entries- Radioaktivität noun (emission of ionizing radiation)
- Radioaktivität noun (radiation emitted)
Greek
2 entries- ραδιενέργεια noun (emission of ionizing radiation)
- ραδιενέργεια noun (radiation emitted)
Hebrew
2 entries- קרינה noun (radiation emitted)
- רדיואקטיביות noun (emission of ionizing radiation)
Hindi
2 entries- विकिरण noun (radiation emitted)
- विकिरणशीलता noun (emission of ionizing radiation)
Icelandic
1 entries- geislavirkni noun (emission of ionizing radiation)
Irish
2 entries- radaighníomhaíocht noun (emission of ionizing radiation)
- radaighníomhaíocht noun (radiation emitted)
Japanese
1 entries- 放射能 noun (emission of ionizing radiation)
Kazakh
3 entries- радиоактивтік noun (emission of ionizing radiation)
- радиоактивтік noun (radiation emitted)
- радиобелсенділік noun (radiation emitted)
Korean
1 entries- 방사능 noun (emission of ionizing radiation)
Lithuanian
1 entries- radioaktyvumas noun (emission of ionizing radiation)
Luxembourgish
1 entries- Radioaktivitéit noun (radiation emitted)
Norwegian Bokmål
2 entries- radioaktivitet noun (emission of ionizing radiation)
- radioaktivitet noun (radiation emitted)
Norwegian Nynorsk
2 entries- radioaktivitet noun (emission of ionizing radiation)
- radioaktivitet noun (radiation emitted)
Polish
2 entries- promieniotwórczość noun (emission of ionizing radiation)
- radioaktywność noun (emission of ionizing radiation)
Portuguese
2 entries- radioatividade noun (emission of ionizing radiation)
- radioatividade noun (radiation emitted)
Romanian
1 entries- radioactivitate noun (emission of ionizing radiation)
Russian
2 entries- радиоакти́вность noun (emission of ionizing radiation)
- радиоакти́вность noun (radiation emitted)
Scottish Gaelic
2 entries- rèididheachd noun (emission of ionizing radiation)
- rèididheachd noun (radiation emitted)
Slovak
1 entries- rádioaktivita noun (radiation emitted)
Spanish
2 entries- radioactividad noun (emission of ionizing radiation)
- radioactividad noun (radiation emitted)
Swedish
2 entries- radioaktivitet noun (emission of ionizing radiation)
- radioaktivitet noun (radiation emitted)
Tagalog
1 entries- karagilapan noun (emission of ionizing radiation)
Tamil
2 entries- கதிரியக்கம் noun (emission of ionizing radiation)
- கதிரியக்கம் noun (radiation emitted)
Thai
2 entries- กัมมันตภาพรังสี noun (emission of ionizing radiation)
- รังสี noun (radiation emitted)
Ukrainian
2 entries- радіоакти́вність noun (radiation emitted)
- радіоактивність noun (emission of ionizing radiation)
Vietnamese
1 entries- sự phóng xạ noun (emission of ionizing radiation)
Welsh
2 entries- ymbelydredd noun (emission of ionizing radiation)
- ymbelydredd noun (radiation emitted)
Sample sentences
10 total sentences available.
'Radioactivity' is a chemical term.
Source: tatoeba (478984)
'Radioactivity' is a chemistry term.
Source: tatoeba (492548)
As time passed, the radioactivity diminished.
Source: tatoeba (1786115)
Showing 4 of 10 available sentences.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.