ˈdīˌōn noun suffix
( -s )
Etymology: International Scientific Vocabulary di- + -one
: chemical compound containing two carbonyl groups — in names of diketones or di-oxo compounds that are not true diketones
butane dione
2,6-piperidine- dione
ˈdīˌōn noun suffix
( -s )
Etymology: International Scientific Vocabulary di- + -one
: chemical compound containing two carbonyl groups — in names of diketones or di-oxo compounds that are not true diketones
butane dione
2,6-piperidine- dione
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012