Pronunciation: pent- ' äk- ˌ s ī d
Function: noun
Etymology: International Scientific Vocabulary
Date: 1869
: an oxide containing five atoms of oxygen in the molecule
Pronunciation: pent- ' äk- ˌ s ī d
Function: noun
Etymology: International Scientific Vocabulary
Date: 1869
: an oxide containing five atoms of oxygen in the molecule
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012