Anamniote



any of the vertebrates of the group Anamnia (Anamniota), comprising the cyclostomes, fishes, and amphibians, characterized by the absence of an amnion during the embryonic stage.
noun
any vertebrate animal, such as a fish or amphibian, that lacks an amnion, chorion, and allantois during embryonic development Compare amniote

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  • Anamorphic

    Optics. having or producing unequal magnifications along two axes perpendicular to each other. of, relating to, or created by anamorphosis or . adjective of, relating to, or caused by anamorphosis or anamorphism adj. 1904, in geology; see anamorphosis + -ic. Cinematographic use dates from 1954.

  • Anamorphic lens

    a compound lens or system of lenses that compresses the camera image in the horizontal direction during filming, so that a wide-screen image can fit on the width of conventional 35-mm film. a similar system used in projection that horizontally expands the compressed image back to its original wide-screen aspect ratio. noun a component in […]



  • Anamorphism

    metamorphism, usually occurring deep under the earth’s surface, that changes simple minerals to complex minerals. Historical Examples The deeper zone in which anamorphism is preponderant is called the zone of anamorphism. The Economic Aspect of Geology C. K. Leith In Brazil, the ores have undergone close folding and anamorphism. The Economic Aspect of Geology C. […]

  • Anamorphoscope

    a curved mirror or other optical device for giving a correct image of a picture or the like distorted by . noun an optical device, such as a cylindrical lens, for correcting an image that has been distorted by anamorphosis



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