DICTIONARY ENTRY
4 SYLLABLES
heavy hydrogen
/'hɛvi_'haɪdrədʒən/ · hɛvihaɪdrədʒən
Heavy hydrogen has 4 syllables: heav · y hy · dro · gen.
heav
01
y hy
02
dro
03
gen
04
noun. An isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen).
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