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flicker |
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flicker: see woodpecker woodpecker, common name for members of the Picidae, a large family of climbing birds found in most parts of the world. Woodpeckers typically have sharp, chisellike bills for pecking holes in tree trunks, and long, barbed, extensible tongues with which they impale ..... Click the link for more information. . flickerAny of six species of New World woodpeckers (genus Colaptes) noted for spending much time on the ground eating ants. The sticky saliva of the flicker is alkaline, perhaps to counteract the formic acid that ants secrete. Its bill is more slender than that of most woodpeckers and is slightly down-curved. Most flickers have a white rump, black breast band, and varied head markings, and most are about 13 in. (33 cm) long.flickerAn irregular sequence of frames in a movie or video image. The first flicker effect came from movie projectors that were out of synchronization with the film frames. See judder, interlace and flicker fusion rate. flicker1 Television a visual sensation, often seen in a television image, produced by periodic fluctuations in the brightness of light at a frequency below that covered by the persistence of vision flicker2 any North American woodpecker of the genus Colaptes, esp C. auratus (yellow-shafted flicker), which has a yellow undersurface to the wings and tail flicker [′flikĀ·ər] (optics) A visual sensation produced by periodic fluctuations in light at rates ranging from a few cycles per second to a few tens of cycles per second. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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