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parakeet a small parrot with a long, pointed tail and brightly colored feathers.
parallel lying or moving in the same direction and being the same distance apart at every point. Parallel lines never meet or cross each other. [5 definitions]
parallelogram a flat closed figure with four straight sides. The opposite sides are parallel and equal to each other.
paralyse a spelling of paralyze used in Canada and Britain. See paralyze for more information.
paralysis a loss of feeling in or the ability to move a body part. Paralysis is caused by injury or disease of the nervous system.
paralyze to make unable to move or to feel any sensation. [2 definitions]
paralyzed unable to move or unable to feel any sensation.
paramecium a living thing made of one cell that lives in fresh water. Paramecia can only be seen through a microscope. Paramecia are protozoans, tiny organisms that are similar to animals.
paramount most important; chief; highest.
Paraná River a major river in South America that starts in Brazil and flows mostly south. The Paraná River eventually joins a river called the Uruguay and empties into the Atlantic Ocean at the border between the countries of Argentina and Uruguay.
parasite a plant, animal, or fungus that lives on or in another living thing, called the host. A parasite gets its food and energy from the host organism.
parasol a light umbrella used to protect against the sun.
paratrooper a soldier trained to parachute from an airplane into an area where there is fighting.
parcel something wrapped or packed for carrying or shipping; package. [3 definitions]
parch to make very dry by heating. [2 definitions]
parchment a material like paper made of the skins of sheep or goats. [2 definitions]
pardon forgiveness for a small disturbance. [4 definitions]
pare to cut off the outside layer or ends from. [2 definitions]
parent a mother or a father.
parental of, relating to, or characteristic of a parent or parents.
parenthesis either of a pair of punctuation marks ( ). They are used to enclose information that is not part of the main sentence. They are also used to set apart mathematical quantities to be treated as a unit.