HELIUM-4


Meaning of HELIUM-4 in English

¦ ̷ ̷  ̷ ̷  ̷ ̷ ˈ ̷ ̷ noun

Etymology: helium + 4 , mass number of the isotope

: helium

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.