💡 Words with a Similar Meaning to "Penrose triangle"
Found via reverse dictionary — words that share a conceptual meaning.
| Word | Definition |
|---|---|
| tribarnoun | A flag consisting of three stripes. |
| 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 stepsnoun | An impossible loop of endlessly ascending and descending stairs, or an optical illusion appearing to be one. |
| kanizsa trianglenoun | An optical illusion in which a number of spatially separated fragments give the illusory impression of the contours of a triangle. |
| penrose diagramnoun | (physics) a two-dimensional diagram capturing the causal relations between different points in spacetime |
| 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. |
| phantogramnoun | A type of optical illusion that works by using perspectival anamorphosis of stereoscopic vision to create distorted images. |
| 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. |
| roof prismnoun | A reflective optical prism containing a section where two faces meet at a 90° angle, resembling the roof of a building. Reflection from the two 90° faces returns an image that is flipped laterally across the axis where the faces meet. |
| ideal trianglenoun | In hyperbolic geometry, a triangle whose vertices are all ideal; i.e. points at infinity, rather than real. |
| ehrenstein illusionnoun | An optical illusion in which the sides of a square placed inside a pattern of concentric circles take an apparent curved shape. |
| 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. |
| porro prismnoun | A reflection prism used in optical instruments to alter the orientation of an image. It consists of a block of glass shaped as a right geometric prism with right-angled triangular end faces. |
| 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. |
| necker cubenoun | An optical illusion consisting of a wireframe drawing of a cube, where a given face may be perceived as being either on the front or the back of the cube. |
| morley trianglenoun | (geometry) Any of a number of triangles described in Morley's trisector theorem, especially the equilateral triangle formed from the points of intersection of adjacent angle trisectors of a given triangle. |
| reuleaux trianglenoun | (geometry) A figure consisting of three circular arcs, each centered on the intersection of the other two. |
| zöllner illusionnoun | An optical illusion in which parallel lines are made to appear convergent or divergent by means of oblique intersections. |
| hyperprismnoun | (geometry) A prism that extends into hyperspace, having more than three dimensions. |
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