History of Nanotechnology, Basic Concepts, Definitions, Type of nanomaterials and its peculiarities have been described. Synthesis of nanomaterial's through physical, chemical and biological modes have been covered. Characterization of nanomaterial's through microscopic, spectroscopic and other techniques have been elucidated lucid language. This book will be helpful for UG and PG students of Agricultural Sciences including Horticultural, Veterinary, Animal and Fisheries disciplines.