biology

noun

1. (countable, uncountable)The study of all life or living matter.

   “Near-synonyms: life science, life sciences; see also Thesaurus:biology”

   “As in much of biology, the most satisfying truths in ecology derive from manipulative experimentation. Tinker with nature and quantify how it responds.”

2. (countable, uncountable)The living organisms of a particular region.

   “The object of these prizes is to stimulate and encourage original investigation by the aid of the microscope in the biology of North America, and, while the competition is open to all, it is especially commended to advanced students in biology in such of our universities and colleges as furnish opportunity for suitable work.”

3. (countable, uncountable)The structure, function, and behavior of an organism or type of organism.

   “the biology of the whale”

4. (archaic, countable, uncountable)A biographical history.

   “That a Town has a biology of its own has been, since Freeman and Green, a familiar idea to us. But it was not in England, with its old established central governments, that the idea was likely to arise; and we know what the local history of our old antiquaries was like.”