a very light silvery-white metal used to make cans and pans concerning sound the variation in an environment, the number of different types of life found there a large part of something the transmission of heat, electricity or sound believable or deserving trust a part of something the flat, thin body parts of a fish that sticks out and helps guide it through water the edge of something; such as the decorative edge on a piece of clothing a metric unit of weight a person who holds a particular office or position legally responsible for something a kind of stone; metamorphosed limestone being less than zero in number a chemical substance used to kill pests The act of connecting two pieces of rope or wire into one to take away, e.g. 20 - 5 = 15 of the highest quality in an exact and particular manner a teacher