This dictionary of terms and concepts is compiled at the Department of Plant Botany and Physiology of the Orenburg State Agrarian University and includes the main terms and concepts covering all sections of the discipline "Physiology and Biochemistry of Plants" : cell physiology and biochemistry, water metabolism, photosynthesis, respiration, mineral nutrition, growth and development, metabolism and transport, plant stability. Designed for use by full-time and part-time students in the areas of training 110400. 62 "Agronomy", 250100. 62 "Forestry", 110900. 62 "Technology of production and processing of agricultural products" to increase the level of assimilation and consolidation of knowledge, increase the intensity of the educational process during classroom classes and summer training practice, in the preparation of reports, messages, abstracts .