💡 Words with a Similar Meaning to "Penrose steps"
Found via reverse dictionary — words that share a conceptual meaning.
| Word | Definition |
|---|---|
| penrose staircasenoun | An impossible loop of endlessly ascending and descending stairs, or an optical illusion appearing to be one. |
| penrose stairsnoun | An impossible loop of endlessly ascending and descending stairs, or an optical illusion appearing to depict such a loop. |
| penrose trianglenoun | An optical illusion depicting an impossible solid object made of three straight beams of square cross section which meet pairwise at right angles at the vertices of the triangle they form. |
| tribarnoun | A flag consisting of three stripes. |
| gravity hillnoun | A place where the layout of the surrounding land produces an optical illusion, making a slight downhill slope appear to be an uphill slope. |
| ponzo illusionnoun | An optical illusion whereby a horizontal bar looks wider when farther up a picture of railroad tracks than when lower. |
| poggendorff illusionnoun | An optical illusion involving the misperception of the position of one segment of a transverse line that has been interrupted by the contour of an intervening structure. |
| ehrenstein illusionnoun | An optical illusion in which the sides of a square placed inside a pattern of concentric circles take an apparent curved shape. |
| ames roomnoun | A distorted room designed to be viewed through a pinhole, using a trick of perspective to create an optical illusion so that people standing in opposite corners appear to be of very different sizes. |
| phantogramnoun | A type of optical illusion that works by using perspectival anamorphosis of stereoscopic vision to create distorted images. |
| penrose diagramnoun | (physics) a two-dimensional diagram capturing the causal relations between different points in spacetime |
| troxler effectnoun | An optical illusion whereby, when a person fixes the gaze on a particular point, an unchanging stimulus away from the fixation point appears to fade away and disappear. |
| forced perspectivenoun | An optical illusion in which an object appears of a different size or distance away than it actually is. |
| ebbinghaus illusionnoun | An optical illusion whereby a disk appears smaller if surrounded by larger disks than if by smaller. |
| zöllner illusionnoun | An optical illusion in which parallel lines are made to appear convergent or divergent by means of oblique intersections. |
| barber pole illusionnoun | An optical illusion where, when a diagonally striped pole is rotated around its vertical axis (horizontally), it appears as though the stripes are moving in the direction of its vertical axis (downwards in the case of the animation to the right) rather than around it. |
| kalotropenoun | A device invented by Thomas Rose that produces the optical illusion of transforming images by means of two concentric wheels moving in opposite directions. |
| kanizsa trianglenoun | An optical illusion in which a number of spatially separated fragments give the illusory impression of the contours of a triangle. |
| café wall illusionnoun | An optical illusion in which the parallel straight dividing lines between staggered rows with alternating dark and light bricks appear to be sloped rather than parallel. |
| optical doublenoun | (astronomy) A star that appears as a double due to an optical illusion; in reality, the stars may be far apart from each other. |
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