核かく種しゅTop 45000MeaningsNoun1. nuclideKanji used核nucleus種seedPitch accentかくしゅUsed in vocabulary放ほう射しゃ性せい核かく種しゅradionuclide; radioactive nuclideNoun人じん工こう放ほう射しゃ性せい核かく種しゅartificial radionuclideNoun