放射性核素

radioactive nuclide / radionuclide

to put / to place / to release / to free / to let go / to let out / to set off (fireworks)

to radiate / radioactive

old variant of 射[she4]

to shoot / to launch / to allude to / radio- (chemistry)

radioactive

nature / character / property / quality / attribute / sexuality / sex / gender / suffix forming adjective from verb / suffix forming noun from adjective, corresponding to -ness or -ity / essence / CL:個|个[ge4]

pit / stone / nucleus / nuclear / to examine / to check / to verify

variant of 核[he2] / to investigate

nuclide

raw silk / white / plain, unadorned / vegetarian (food) / essence / nature / element / constituent / usually / always / ever