a 90 degree piece of metal used to support a wall shelf containing information, statements, or beliefs that do not agree with one another to speak while another person (or computer) writes the words down able to return to original shape or size after stretching the ability to stretch easily and then quickly return to the original shape the act or process of making sure that rules are followed a disease affecting many people the science of how diseases spread a disease of the liver that causes inflammation, yellow skin and a fever capable of causing infection, by the spreading of a bacteria or virus to others a change in position of things so they become the opposite not important, not related to the topic supplying lands with water using pipes or other artificial methods an organ in the body that cleans the blood machines in general the best or most desirable a scheme to help someone who has been ill or in prison to return to a healthy, independent, and useful life not natural; made from artificial materials a unit of weight equal to 907 kilograms a prefix meaning 'across', 'through' or 'changing thoroughly'