biology
n. உயிர் நுல்.
Bi*ol"o*gy, n. Etym: [Gr. life + -logy: cf. F. biologie.] Defn: The science of life; that branch of knowledge which treats of living matter as distinct from matter which is not living; the study of living tissue. It has to do with the origin, structure, development, function, and distribution of animals and plants.