Chapter 12 Inventions Vocabulary

innovation noun a new way of doing something

telegraph noun a device that uses electrical signals to send messages over wires

broadcast noun a program sent from a radio or television station

irrigation noun the use of ditches, pipes, or canals to bring water to dry land to help crops grow

biotechnology noun a science that uses living things (plant or animal cells or bacteria) to make products such as medicine or food

hybrid vehicle noun a car or truck that runs on both gasoline and electricity

rille noun a valley on the moon

trench noun the deepest part in the ocean floor

genius noun a person with exceptional intellectual ability or creativity

codex noun an ancient picture book often made of tree bark or animal hide

peculiar adjective or adverb unusual; strange, or odd