DictionaryForumContacts

   English
Google | Forvo | +
radioactivity [ˌreɪdiəʊæk'tɪvəti, -oʊæk'tɪvət̬i] n
phys. 放射性 (hōshasei)
Radioactivity [ˌreɪdiəʊæk'tɪvəti, -oʊæk'tɪvət̬i] n
gen. 放射能 (hōshanō) Geological Terms Dictionary (Bruce Bain and Leslie Oberman)
n radioactivity | n [ˌreɪdiəʊæk'tɪvəti, -oʊæk'tɪvət̬i] n
gen. 放射能 ichi1 news1 nf07 (hōshanō)
 English thesaurus
radioactivity [ˌreɪdiəʊæk'tɪvəti, -oʊæk'tɪvət̬i] abbr.
abbr. ra
mil. The property of a material emitting ionizing radiation
mil., logist. Emission of radiations produced by the nucleus of the atom disintegration. (FRA)