(n.) One of the natural groups, more important than an order, into which some classes are divided; as, the angiospermous subclass of exogens.
SUBCLASS
Meaning of SUBCLASS in English
Webster's English dictionary. Английский словарь Webster. 2012
(n.) One of the natural groups, more important than an order, into which some classes are divided; as, the angiospermous subclass of exogens.
Webster's English dictionary. Английский словарь Webster. 2012