either - ad. one of two, but not the other elect - v. to choose by voting electricity - n. a form of energy that flows through wires to provide heat and light, and power to machines embassy - n. the offices of an ambassador and his or her assistants emergency - n. an unexpected and dangerous situation demanding quick action emotion - n. a strong feeling such as love, hate, fear or sadness employ - v. to give work in return for wages empty - ad. having nothing inside; v. to remove everything end - v. to stop; to finish; n. the part which comes last enemy - n. a person opposing or hating another; a person or people of the other side in a war energy - n. power used to do work, usually with machines; the ability and willingness to be active enforce - v. to make something be done engine - n. a machine that uses energy to cause movement or to do work engineer - n. a person who designs engines, machines, roads, bridges or railroads enjoy - v. to be pleased or satisfied by something enough - ad. as much as necessary; pro. the amount needed enter - v. to come or go into |