PROTIUM


Meaning of PROTIUM in English

/proh"tee euhm, -shee euhm/ , n. Chem.

the lightest and most common isotope of hydrogen. Symbol: H 1

[ 1930-35; PROT- + -IUM ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .