by HowStuffWorks.com Contributors Home & Garden | Construction Planning. NEXT PAGENEXT. A prototype is a design tool used to help create a new product, much like a model. There are different kinds of prototypes; some are more like rough drafts and some are more like the final version.
Definition of rash - acting or done without careful consideration of the possible consequences; impetuous Definition of rash - acting or done without careful consideration of the possible consequences; impetuous
adjective, rasher, rashest. 1. acting or tending to act too hastily or without due consideration. 2. characterized by or showing too great haste or lack of consideration: rash promises. Origin of rash1.