This textbook includes four chapters. The first chapter which entitles Introduction to English for Science and Technology reviews the scientific English from the viewpoints of: basic definitions, the purpose of using it as a communication language, its importance, how technology is used for learning English, and differentiation between science and technology.The second chapter which entitles Glossary of Mechanical Engineering discusses include the following items: Introduction to Mechanical Engineering, Types or Sub-disciplines of Mechanical Engineering, and Mechanical Engineering Terminologies. The third chapter of the textbook which entitles Glossary of Civil Engineering includes the following topics: Introduction to Civil Engineering, Types or Sub-disciplines of Civil Engineering, and Civil Engineering Terminologies. The fourth chapter which entitles Glossary of Civil Engineering contains the following topics: Introduction to Electrical and Electronic Engineering, Types or Sub-disciplines of Electrical and Electronic Engineering, and Electrical and Electronic Engineering Terminologies.