Furthermore, it is very useful as a heat-exchange liquid in fast breeder nuclear reactors due to its low melting point, viscosity, and cross-section towards neutron absorption.
fˌɜːðɚmˈoːɹ, ɪɾ ɪz vˈɛɹi jˈuːsfəl æz ɐ hˈiːɾɛkstʃˈeɪndʒ lˈɪkwɪd ɪn fˈæst bɹˈiːdɚ nˈuːklɪɹ ɹɪˈæktɚz dˈuː tʊ ɪts lˈoʊ mˈɛltɪŋ pˈɔɪnt, vɪskˈɔsᵻɾi, ænd kɹˈɔssˈɛkʃən təwˈɔːɹdz nˈuːtɹɑːn ɐbsˈoːɹpʃən.