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  • cast

    Use for sculptural works or reproductions made by casting. In industrial and building trade contexts, prefer "castings."

  • castor oil

    A pale yellow vegetable oil used in medicine as a laxative. Castor oil is also used in some parts of the world for burning in lamps.

  • catalogue

    Enumerations of items, usually arranged systematically, with descriptive details; may be in book or pamphlet form, on cards

  • cataract

    Cloudiness on the lens of the eye impairing vision or causing blindness.

  • catgut

    A material prepared from animal tissue (usually sheep intestinal wall). It was twisted to different thicknesses and used to sew wounds and tie blood vessels. The material slowly dissolves and so the stitches do not require removal.

  • catheter

    A flexible tube, narrow enough to be inserted into the body, where it is used for withdrawing fluids. Most typically used for extracting urine from the bladder.

  • cattle van

    A special railway wagon for the transportation of livestock.

  • cattle wagon

    A railway vehicle used for transporting cattle, the top half of which was fitted with bars rather than boarding to allow the cattle to breathe.

  • cauterise

    Using a hot iron to seal a wound to stop bleeding.

  • cautery

    To destroy tissue through contact with a hot implement. To remove warts, etc, or to stop small cuts bleeding.

  • cavalry sketching-board

    A military sketching-board permitting sketches to be made on horseback

  • celestial globe

    Refers to globes that depict the celestial sphere, which is a representation of the heavens in which the stars, constellations, and planets are depicted as if the sky visible from Earth were a ball. They were used for astronomical or astrological calculations or as ornaments. They have been known since the time of the ancient Greeks. The globes are intended to depict the heavens, generally the night sky, that to an observer on Earth appears as a hemisphere resting on the horizon. The eastward rotation of the Earth on its axis produces an apparent diurnal westward rotation of the starry sphere, and the stars seem to rotate around a northern or southern celestial pole. For representations of the celestial sphere projected onto a flat plane, use "planispheres."

  • cell

    Basic unit of all living organisms, it can reproduce itself exactly.

  • census

    An official (normally governmental) count of population.

  • central nervous system

    Consisting of the brain and spinal cord, it controls the activity of the body through nerve tissues.

  • cerebellum

    The cerebellum is traditionally recognised as the area of the brain that regulates muscle tone and coordination of movement. There is also evidence it contributes to non-motor functions such as thought processes and emotions.

  • ceremonial staff

    Weapon in the form of a single, long shaft, like a quarterstaff, that serve ceremonial or ritual function, for instance as symbols of office or public regalia. For weapons consisting of a long staff of wood, often tipped with iron at both ends, use "quarterstaff."

  • ceremonial sword

    Sword that plays a part in public state or civic ceremonies or rituals, being variously worn, carried, or presented, as symbols of honor or power.

  • certificate

    Documents giving authoritative recognition of a fact, qualification, or promise

  • certificates

    Documents giving authoritative recognition of a fact, qualification, or promise.

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