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Physical allergy

physical allergy n.
Hypersensitivity caused by exposure to various physical factors such as heat, cold, light, or mechanical irritation.


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  • Physical addressing

    networking The low level addressing scheme used on Ethernet. The 48-bit destination Ethernet address in a packet is compared with the receiving node’s Ethernet address. Compare IP address. (1994-12-23)

  • Physical-anthropology

    noun 1. the branch of anthropology dealing with the evolutionary changes in human anatomy and physiology, using mensurational and descriptive techniques. noun 1. the branch of anthropology dealing with the genetic aspect of human development and its physical variations physical anthropology (fĭz’ĭ-kəl) The branch of anthropology that deals with human evolutionary biology, physical variation, and […]

  • Physical-change

    noun, Chemistry. 1. a usually reversible change in the physical properties of a substance, as size or shape: Freezing a liquid is a physical change. noun any process involving a substance’s change from one state (gas, liquid, solid) to another without alteration of the chemical composition; cf. chemical change Examples Freezing water is a physical […]

  • Physical-chemistry

    noun 1. the branch of chemistry dealing with the relations between the physical properties of substances and their chemical composition and transformations. noun 1. the branch of chemistry concerned with the way in which the physical properties of substances depend on and influence their chemical structure, properties, and reactions physical chemistry n. Scientific analysis of […]

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