any of several spherical or rod-shaped, aerobic, parasitic bacteria of the genus Actinobacillus, certain species of which, as A. mallei, are pathogenic for animals.
an infectious disease of cattle, domestic animals, and occasionally humans, resembling actinomycosis and caused by the bacterium Actinobacillus lignieresii. noun (vet science) a disease of cattle and sheep, caused by infection with an Actinobacillus lignieresii and characterized by soft tissue lesions, esp of the tongue Also called wooden tongue, woody tongue, cruels
the branch of dealing with actinism; photochemistry. noun another name for photochemistry
noun the branch of biology concerned with the effects of radiation on living organisms
inflammation of the skin caused by sunlight or other radiation. noun dermatitis from exposure to radiation, esp ultraviolet light or X-rays actinodermatitis ac·ti·no·der·ma·ti·tis (āk’tə-nō-dûr’mə-tī’tĭs) n. Inflammation of the skin produced by exposure to sunlight. Adverse reaction of skin to radiation therapy.