Ma'anar ƙamus na "huɗuwar nukiliya" yana nufin tsari wanda biyu ko fiye da hakar nuclei ke haɗuwa don samar da tsakiya mai nauyi, wanda ke haifar da sakin makamashi mai yawa. Wannan tsari shi ne tushen makamashi a rana da sauran taurari, kuma masana kimiyya sun yi aiki don amfani da shi a matsayin tushen makamashi mai tsabta don amfani a duniya.
