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
Common and Serious Dermatologic Conditions | Part 5. Self-paced online dermatology course. The word â rash â or â skin rash â is used quite frequently to describe a variety of skin conditions. Rash is a generic term however and most people use the word rash to mean an eruption of skin lesions that covers areas of skin.In contrast, a single small lesion, like a pimple, mole, tumor, or growth, is not usually called a rash.ommon and Serious Dermatologic Conditions | Part 5. Self-paced online dermatology course. The word â rash â or â skin rash â is used quite frequently to describe a variety of skin conditions. Rash is a generic term however and most people use the word rash to mean an eruption of skin lesions that covers areas of skin.