to sell things at a public sale to the person who offers the highest price a round container with curved sides and flat ends odd or strange a mark that shows you when to take a break in the middle of a sentence the main office of a company or organisation an amount of a liquid equivalent to one kilogram of water a small hard part of something smooth, soft, or continuous an experienced or wise person who teaches or helps another person a heavy, silver-white metal that is used in thermometers to measure temperature; a planet involving many countries in a nice way loud sounds that cause discomfort or annoyance to make something combine with oxygen; to rust unusual, remarkable concerning the art of making images with cameras a large, printed notice or picture a game in which players answer questions on a specific topic to not do; to jump a long metal weapon with a sharp point and edge a period of time during which important, significant changes take place