This book is a comprehensive collection of chemical engineering terms in a single volume. It covers generally all the chemical engineering literature and has distinguished features. The book is a useful reference material for the people both at the schools and the industry. The author's experience of teaching and research over the years has realized a must book of this kind. The terms are written in alphabetical order. Where a term deserves more elaboration, a rather detailed description is provided. The book also contains a number of labeled diagrams which may be helpful in understanding some critical terms.