“+ noun
Etymology: semi- + quinone
: any of a class of free radicals derived from quinones or quinone imines by the addition of a single hydrogen atom to a molecule — compare meriquinone
“+ noun
Etymology: semi- + quinone
: any of a class of free radicals derived from quinones or quinone imines by the addition of a single hydrogen atom to a molecule — compare meriquinone
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012