biology
noun
bi·ol·o·gy bī-ˈä-lə-jē 
1
: a branch of knowledge that deals with living organisms and vital processes
advances in the field of biology
a biology textbook
2
a
: the plant and animal life of a region or environment
the biology of the rain forest
b
: the life processes especially of an organism or group
the biology of cancer cells
broadly : ecology
biologist
bī-ˈä-lə-jist
noun 
Example Sentences
advances in the field of biology the biology of the rain forest the biology of tumor cells
Recent Examples on the Web This research is essential to understanding the biology of disease incidence and progression and identifying new drug candidates. 
David Reese And Kári Stefánsson, STAT, 2 Aug. 2022 Genetic research is essential to unlocking the complex biology — the whys — of autism. Pamela Feliciano, STAT, 22 Aug. 2022 The science and the biology that Shipway specializes in can help inform what should happen to preserve the wreck, and others like it. Brian Amaral, BostonGlobe.com, 11 Aug. 2022 The biology of these formidable flying machines is equally horrifying and fascinating. Adrian Woolfson, WSJ, 31 July 2022 Since all wasps are native to Asia, the name Asian giant hornet does not convey unique information about the biology or behavior of the species, according to the ESA. Rachel Fadem, CNN, 26 July 2022 The project has years of data collected through in-water photography, drones, aerial surveys, and satellite and acoustic telemetry, all used to help researchers study the biology and ecology of these animals. Melissa Cristina Márquez, Forbes, 18 July 2022 The camera had been put in place to better understand the reproductive biology of these huge snakes. New York Times, 28 Mar. 2022 During planned to use modern sturgeon and paddlefish to investigate the biology of their ancient relatives because of how similar modern fish are to the fossil forms found at the Tanis site. Riley Black, Smithsonian Magazine, 23 Feb. 2022 See More
David Reese And Kári Stefánsson, STAT, 2 Aug. 2022 Genetic research is essential to unlocking the complex biology — the whys — of autism. Pamela Feliciano, STAT, 22 Aug. 2022 The science and the biology that Shipway specializes in can help inform what should happen to preserve the wreck, and others like it. Brian Amaral, BostonGlobe.com, 11 Aug. 2022 The biology of these formidable flying machines is equally horrifying and fascinating. Adrian Woolfson, WSJ, 31 July 2022 Since all wasps are native to Asia, the name Asian giant hornet does not convey unique information about the biology or behavior of the species, according to the ESA. Rachel Fadem, CNN, 26 July 2022 The project has years of data collected through in-water photography, drones, aerial surveys, and satellite and acoustic telemetry, all used to help researchers study the biology and ecology of these animals. Melissa Cristina Márquez, Forbes, 18 July 2022 The camera had been put in place to better understand the reproductive biology of these huge snakes. New York Times, 28 Mar. 2022 During planned to use modern sturgeon and paddlefish to investigate the biology of their ancient relatives because of how similar modern fish are to the fossil forms found at the Tanis site. Riley Black, Smithsonian Magazine, 23 Feb. 2022 See More Word History
Etymology
German Biologie, from bi- + -logie -logy
First Known Use
1799, in the meaning defined at sense 1
Phrases Containing biology
Kids Definition
biology
noun
bi·ol·o·gy bī-ˈä-lə-jē
: a science that deals with living things and their relationships, distribution, and behavior
Medical Definition
biology
noun
bi·ol·o·gy -jē
plural biologies
1
: a branch of science that deals with living organisms and vital processes
2
a
: the plant and animal life of a region or environment
b
: the laws and phenomena relating to an organism or group
3
: a treatise on biology