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Glossary

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P

  • pacemaker

    An abbreviation for ‘cardiac pacemaker’. It is a small device implanted in the heart that consists of electrodes. The electrodes emit electrical impulses to regulate the beating of the heart.

  • packaging

    Materials for the packing or protective wrapping of products that contain information or otherwise convey a message about the product. For material used to protect, cushion, or brace objects for safe shipment or storage, carrying no information or message about the objects, use "packing material."

  • packet

    A small package or parcel, usually containing an object or objects.

  • packs of cards

    Use for the aggregation of all playing cards employed in a game. HOYL91.

  • paddle (watercraft equipment)

    Short slender shaft usually with a handle at one end and a flat round-tipped blade at the other used in a vertical manner to propel small boats; may be double-ended; for longer but similar devices with flat-tipped blades, use "oars."

  • paddle steamer

    Steam-powered watercraft propelled by a pair of paddle wheels mounted amidships or by a single paddle wheel at the stern; developed in the late 18th century

  • paediatrics

    The branch of medicine dealing with the medical care of children, infants and adolescents. The patient age limit is usually 14-18, depending on the country. A medical practitioner who specializes in this area is known as a paediatrician.

  • paint

    Any dispersion of pigment in a liquid binder. Paint is applied with a brush, roller, sprayer, or by dipping and dries to form a decorative or protective film.

  • pamphlet

    Complete, nonperiodical printed works generally of fewer than 80 pages, often with a paper cover, sometimes short treatises on arguments or topics of current interest. For smaller printed works, of one sheet folded and not stitched or bound, use "leaflets."

  • pamphlets

    Use for complete, nonperiodical printed works generally of fewer than 80 pages, often with a paper cover, sometimes short treatises on arguments or topics of current interest. For smaller printed works, of one sheet folded and not stitched or bound, use "leaflets."

  • pan - container

    Metal, earthenware, or plastic container, generally for domestic use, that are usually broad, shallow and open.

  • pandemic

    An epidemic that occurs over a wide geographic area and affects an exceptionally high proportion of the population.

  • panel (wood)

    Wood in the form of broad, thin, flat or sometimes curved pieces as, for example, in polyptychs, doors, and plywood construction.

  • pannier

    A large basket, sometimes arranged in pairs and carried on the shoulders or, commonly, on a motorcycle or bicycle.

  • pannikin

    Small earthenware or now metal drinking vessels.

  • pantograph - drawing instrument

    Devices consisting of four strips of wood or some other material which are hinged together in a square so that they overlap and can be adjusted to the scale of the work being copied, enlarged, or reduced.

  • pap boat

    A small receptacle for feeding pap to infants and invalids. Boat shaped container with one end having an extending lip for placing the mouth.

  • paper knife

    Instruments with a narrow knifelike blade and often ornamented handle used for cutting paper and opening envelopes.

  • paperweight

    Small, heavy object of glass, metal, or the like placed on papers to keep them from scattering.

  • parallel rule - drafting tool

    Drafting tool for drawing straight parallel lines, generally consisting of ungraduated strips of wood, metal, or plastic guided along drafting boards and held parallel by wires or strings passing through the ends of the rules; may or may not slide on rollers. For a set of two attached and pivoting rulers used often as navigational aids to transfer parallel lines, prefer "parallel rulers."

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