| pad | 1. A soft, or small, cushion; a mass of anything soft; stuffing. 2. A kind of cushion for writing upon, or for blotting; especially, one formed of many flat sheets of writing paper, or layers of blotting paper; a block of paper. 3. A cushion used as a saddle without a tree or frame. 4. A stuffed guard or protection; especially, one worn on the legs of horses to prevent bruising. 5. <zoology> A cushionlike thickening of the skin one the under side of the toes of animals. 6. A floating leaf of a water lily or similar plant. 7. <medicine> A soft bag or cushion to relieve pressure, support a part, etc. 8. A piece of timber fixed on a beam to fit the curve of the deck. 9. A measure for fish; as, sixty mackerel go to a pad; a basket of soles. Pad cloth, a saddlecloth; a housing. Pad saddle. See def. 3, above. Pad tree, a piece of wood or metal which gives rigidity and shape to a harness pad. Origin: Perh. Akin to pod. Source: Websters Dictionary (01 Mar 1998) |
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| paddle | 1. An implement with a broad blade, which is used without a fixed fulcrum in propelling and steering canoes and boats. 2. The broad part of a paddle, with which the stroke is made; hence, any short, broad blade, resembling that of a paddle. "Thou shalt have a paddle upon thy weapon." (Deut. Xxiii. 13) 3. One of the broad boards, or floats, at the circumference of a water wheel, or paddle wheel. 4. A small gate in sluices or lock gates to admit or let off water; also called clough. 5. <zoology> A paddle-shaped foot, as of the sea turtle. 6. A paddle-shaped implement for string or mixing. 7. [In this sense prob. For older spaddle, a dim. Of spade] See Paddle staff (b), below. Paddle beam, one of two large timbers supporting the spring beam and paddle box of a steam vessel. Paddle board. See Paddle. Paddle box, the structure inclosing the upper part of the paddle wheel of a steam vessel. Paddle shaft, the revolving shaft which carries the paddle wheel of a steam vessel. Paddle staff. A staff tipped with a broad blade, used by mole catchers. A long-handled spade used to clean a plowshare; called also plow staff. Paddle steamer, a steam vessel propelled by paddle wheels, in distinction from a screw propeller. Paddle wheel, the propelling wheel of a steam vessel, having paddles (or floats) on its circumference, and revolving in a vertical plane parallel to the vessel's length. See: Paddle. Source: Websters Dictionary (01 Mar 1998) |
| paddlecock | <zoology> The lumpfish. Source: Websters Dictionary (01 Mar 1998) |
| paddlefish | <zoology> A large ganoid fish (Polyodon spathula) found in the rivers of the Mississippi Valley. It has a long spatula-shaped snout. Synonym: duck-billed cat, and spoonbill sturgeon. Source: Websters Dictionary (01 Mar 1998) |
| paddlewood | <botany> The light elastic wood of the Aspidosperma excelsum, a tree of Guiana having a fluted trunk readily split into planks. Source: Websters Dictionary (01 Mar 1998) |
| paddock | <zoology> A toad or frog. "Loathed paddocks. <botany>" Paddock pipe,a toadstool. Origin: OE. Padde toad, frog + -ock; akin to D. Pad, padde, toad, Icel. & Sw. Padda, Dan. Padde. Source: Websters Dictionary (01 Mar 1998) |
| paddy | <botany> Unhusked rice; commonly so called in the East Indies. Paddy bird. <zoology> See Java sparrow, under Java. Origin: Either fr. Canarese bhatta or Malay padi. Source: Websters Dictionary (01 Mar 1998) |
| padelion | <botany> A plant with pedately lobed leaves; the lady's mantle. Origin: F. Pas de lionon's foot. Source: Websters Dictionary (01 Mar 1998) |
| pademelon | <zoology> See Wallaby. Source: Websters Dictionary (01 Mar 1998) |
| padge | <zoology> The barn owl. Synonym: pudge, and pudge owl. Source: Websters Dictionary (01 Mar 1998) |
| padow | <zoology> A paddock, or toad. Padow pipe. <botany> See Paddock pipe, under Paddock. Source: Websters Dictionary (01 Mar 1998) |
| paducahs | <ethnology> See Comanches. Source: Websters Dictionary (01 Mar 1998) |
| Padykula-Herman stain | <technique> For myosin ATPase, a technique similar to that of Gomori's non-specific alkaline phosphatase stain, except that incubation is carried out with ATP as the substrate at pH 9.4 in the absence of Mg++; enzyme activity is demonstrated as blackened deposits in the A band of striated muscle sarcomeres; control tissue sections lacking substrate and containing sulfhydryl inhibitors are necessary. (05 Mar 2000) |
| abdominal pad | A pad made from several layers of gauze folded into a rectangular shape; used as a sponge, for packing off the viscera in abdominal operations, and in other ways. Synonym: abdominal pad. (05 Mar 2000) |
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| abdominal wall fat pad biopsy | <investigation, procedure, surgery> The removal of a small specimen of the abdominal wall fat pad for microscopic examination. Often used in the diagnosis of amyloidosis. Performed with a local anaesthetic. (25 Jun 1999) |
| Bichat's fat-pad | An encapsuled mass of fat in the cheek on the outer side of the buccinator muscle, especially marked in the infant; supposed to strengthen and support the cheek during the act of sucking. Synonym: corpus adiposum buccae, Bichat's fat-pad, Bichat's protuberance, fat body of cheek, sucking cushion, sucking pad, suctorial pad. (05 Mar 2000) |
| buccal fat-pad | An encapsuled mass of fat in the cheek on the outer side of the buccinator muscle, especially marked in the infant; supposed to strengthen and support the cheek during the act of sucking. Synonym: corpus adiposum buccae, Bichat's fat-pad, Bichat's protuberance, fat body of cheek, sucking cushion, sucking pad, suctorial pad. (05 Mar 2000) |
| Passavant's pad | A prominence on the posterior wall of the naso-pharynx formed by contraction of the superior constrictor of the pharynx during swallowing. Synonym: Passavant's bar, Passavant's pad, Passavant's ridge. (05 Mar 2000) |
| retromolar pad | A cushioned mass of tissue, frequently pear-shaped, located on the alveolar process of the mandible behind the area of the last natural molar tooth. Synonym: pear-shaped area. (05 Mar 2000) |
| periarterial pad | A collection of cells around the renal glomerular arterioles that contain cytoplasmic granules, probably composed of renin. Synonym: periarterial pad. (05 Mar 2000) |
| hard pad disease | A form of canine distemper characterised by hyperkeratosis of the foot pads and nose. See: canine distemper. (05 Mar 2000) |
| hard pad virus | The virus causing hard pad disease, probably canine distemper virus, but sometimes not recovered. (05 Mar 2000) |
| heel pad | <radiology> Normal less than 21 mm, enlargement: acromegaly, obesity, steroids (12 Dec 1998) |
| sea pad | <zoology> The puffin. Source: Websters Dictionary (01 Mar 1998) |
| neck pad | <dentistry> A neckpad is a cloth covered cushion which you wear around your neck when you put on your face-bow. Generally, the breakaways are attached to the neckpad to provide force for the face-bow. (08 Jan 1998) |
| sucking pad | An encapsuled mass of fat in the cheek on the outer side of the buccinator muscle, especially marked in the infant; supposed to strengthen and support the cheek during the act of sucking. Synonym: corpus adiposum buccae, Bichat's fat-pad, Bichat's protuberance, fat body of cheek, sucking cushion, sucking pad, suctorial pad. (05 Mar 2000) |
| dinner pad | A pad of moderate thickness placed over the pit of the stomach before the application of a plaster jacket; after the plaster has set the pad is removed, leaving space for varying degrees of abdominal distention. (05 Mar 2000) |
| Imlach's fat-pad | Fat surrounding the round ligament of the uterus in the inguinal canal. (05 Mar 2000) |