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
hemÂ·orÂ·rhagÂ·ic meaÂ·sles. a severe form in which the eruption is dark in color due to effusion of blood into affected areas of the skin. Synonym(s): black measles (1) black measles. n. (used with a sing. or pl. verb) A severe form of measles characterized by dark, hemorrhagic skin eruptions.