noun
Usage: capitalized B
Etymology: after Frederick F. Blackman died 1947 English botanist
: the secondary part of the process of photosynthesis involving only chemosynthesis
noun
Usage: capitalized B
Etymology: after Frederick F. Blackman died 1947 English botanist
: the secondary part of the process of photosynthesis involving only chemosynthesis
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012