A synthesis reaction or direct combination reaction is one of the most common types of chemical reactions. In a synthesis reaction two or more chemical species combine to form a more complex product.
A design review is a milestone within a product development process whereby a design is evaluated against its requirements in order to verify the outcomes of previous activities and identify issues before committing to-and if need to be re-prioritise-further work.
Definition of review for Students. 1  1 : a look at or examination of a review of the year's major events. 2  2 : a piece of writing about the quality of something (as a book, performance, or product) The film got rave reviews. 3  3 : a fresh study of material studied before. 4  4 : a formal inspection of troops by officers of high rank or an important person.