noun
: a logical genus that may be a species of a higher genus
the genus book is a subaltern genus since it is also a species of the genus printed matter
— compare tree of porphyry
noun
: a logical genus that may be a species of a higher genus
the genus book is a subaltern genus since it is also a species of the genus printed matter
— compare tree of porphyry
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012