n.
Pronunciation: - ' tho ̇ r- ē - ə m
Function: noun
Etymology: New Latin
Date: 1905
: a radioactive isotope of thorium with the mass number 228
n.
Pronunciation: - ' tho ̇ r- ē - ə m
Function: noun
Etymology: New Latin
Date: 1905
: a radioactive isotope of thorium with the mass number 228
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012