biology

/baɪˈɒlədʒɪ/noun

The science that examines living things and how they function.

Example sentences

“She is studying biology because she wants to become a doctor.”
“Our biology teacher showed us how plant cells divide under a microscope.”

The "-logy" ending means "study of", a pattern worth learning: geology, psychology, zoology all follow it.

Related words

chemistryThe science that studies what substances are made of and how they change when their molecules are rearranged.geometryThe area of mathematics concerned with shapes, sizes, and the relationships between points, lines, and surfaces.physicsThe science that studies matter, energy, space, and time, and how they interact.algebraA branch of mathematics that uses letters and symbols to stand for unknown numbers in equations.geographyThe subject that studies the earth's surface, its features, and how people interact with them.arithmeticThe branch of mathematics that deals with numbers and the basic operations of adding, subtracting, multiplying, and dividing.