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personnel all of the people who work for a business or other organization.
perspective a way of showing objects on the flat surface of a picture so that they seem the correct size and distance from one another. [3 definitions]
perspiration the act or process of giving off moisture through the pores of the skin; sweating. Perspiration is the body's way of cooling off when it gets too hot. [2 definitions]
perspire to give off moisture through the pores of the skin; sweat.
persuade to cause to do something by using reason or argument. [2 definitions]
persuasion the act of convincing someone to believe something or do something. [2 definitions]
pertain to relate to or have to do with something. [2 definitions]
pertinent having to do with or connected to a subject; relevant.
Peru a country in western South America. Lima is the capital of Peru.
peso the main unit of money of Mexico, Cuba, and several other countries.
pessimistic feeling in a negative way about things; expecting the worst to happen.
pest someone or something that annoys or bothers; nuisance.
pester to bother again and again.
pesticide a chemical substance used to kill insects that harm plants and crops.
pestle a tool used for grinding or pounding substances into powder in a bowl called a mortar.
pet1 a tame animal people keep in their homes as a companion or for pleasure. [4 definitions]
petal one of the separate leaves that form the outer part of a flower head. Petals are usually a different color from the plant's other leaves.
petition a formal, written request by many people that is made to a person in authority. [2 definitions]
petrify to turn into stone. Minerals left behind by water petrify wood by replacing woods cells when they die. [2 definitions]
petrol the British word for the flammable liquid used mainly as fuel for engines. Petrol has the same meaning as gasoline.
petroleum a thick oil found by drilling beneath the earth's surface. Petroleum is made into gasoline, heating oil, and other products.