| PBD | Pigeon Breeders Disease |
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| PCC | Pigeon Cytochrome-C |
| bird-breeder's disease | <chest medicine> Extrinsic allergic alveolitis caused by an allergic reaction to components of the bird or bird droppings. (19 Jan 1998) |
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| bird-breeder's lung | <chest medicine> Extrinsic allergic alveolitis caused by an allergic reaction to components of the bird or bird droppings. (19 Jan 1998) |
| breeder material | <radiobiology> In D-T fusion, refers to lithium or lithium-containing substances which are placed in the blanket to convert the fusion neutrons back into tritium, using nuclear transmutation of lithium isotopes. (09 Oct 1997) |
| breeder reactor | <physics> This is a nuclear reactor which produces nuclear fuel as it produces energy for electricity. (09 Oct 1997) |
| solid breeder | <radiobiology> Solid lithium-bearing compounds, usually ceramics such as Li2O and LiAlO2, which might be used in the blanket of a D-T fusion reactor to produce (breed) additional tritium fuel from the n + Li = He + T (+n) reactions. (09 Oct 1997) |
| liquid-metal fast-breeder reactor | <physics> Fission breeder reactor concept using liquid-metal coolant and breeding additional fuel off fast neutrons. See: breeder reactor. (09 Oct 1997) |
| clay pigeon poisoning | A highly fatal disease of swine, usually caused by the ingestion of fragments of the clay pigeons used as targets by shooting clubs; some cases have been caused by consumption of other bituminous substances, such as road tar and tar paper. Synonym: clay pigeon poisoning. (05 Mar 2000) |
| pigeon | 1. <zoology> Any bird of the order Columbae, of which numerous species occur in nearly all parts of the world. The common domestic pigeon, or dove, was derived from the Old World rock pigeon (Columba livia). It has given rise to numerous very remarkable varieties, such as the carrier, fantail, nun, pouter, tumbler, etc. The common wild pigeons of the Eastern United States are the passenger pigeon, and the Carolina dove. See Passenger, and Dove. See, also, Fruit pigeon, Ground pigeon, Queen pigeon, Stock pigeon, under Fruit, Ground, etc. 2. An unsuspected victim of sharpers; a gull. <zoology> Blue pigeon, any one of the large Asiatic fruit pigeons of the genus Carpophada. <botany> Pigeon berry The upland plover. The golden plover. Origin: F, fr. L. Pipio a young pipping or chirping bird, fr. Pipire to peep, chirp. Cf. Peep to chirp. Source: Websters Dictionary (01 Mar 1998) |
| pigeon breast | Prominence of the breast bone (sternum). Medically, pigeon breast is called pectus carinatum. (12 Dec 1998) |
| pigeon chest | Pigeon-breasted. (12 Dec 1998) |
| pigeon-hearted | Timid; easily frightened; chicken-hearted. Source: Websters Dictionary (01 Mar 1998) |
| pigeon-livered | Timid; easily frightened; chicken-hearted. Source: Websters Dictionary (01 Mar 1998) |
| pigeon's milk | A secretion formed by glands in the mucosa of the pigeon's crop with which the young are fed; it is increased under the influence of prolactin. Synonym: crop milk. (05 Mar 2000) |
| pigeon breeder's l. |
a type of hypersensitivity pneumonitis caused by an acquired sensitivity to bird feces following intimate contact with birds; symptoms include chills, fever, and cough. Pulmonary fibrosis may result. Called also bird breeder's, bird fancier's, or bird handler's l.
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| pigeon breeder's disease |
Bird breeder's lung.
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