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biology

bi·ol·o·gy [ bī ólləjee ] (plural bi·ol·o·gies)


noun 
Definition:
 
1. science of life: the science that deals with all forms of life, including their classification, physiology, chemistry, and interactions

2. life in one place: the forms of life in a particular environment and their behavior, development, and history
the biology of desert regions

3. particular organism's makeup: the structure and functioning of a particular organism
the biology of the fruit fly

[Early 19th century. Via French< German Biologie< Greek bios "life"]

bi·ol·o·gist noun
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