Ponzo illusionn.

Brit.

/ˈpɒnzəʊ ɪˌl(j)uːʒn/, U.S.

/ˈpɑnzoʊ ᵻˌluʒ(ə)n/

Origin: From a proper name, combined with an English element. Etymons: proper name Ponzo , illusion n.

Etymology: < the name of Mario Ponzo (1882–1960), Italian psychologist, who first identified the phenomenon in 1913 + illusion n.

An optical illusion in which two transversely placed parallel bars of equal length, or any two figures of equal size, appear unequal when situated between converging straight lines, the bar or figure nearer the point of convergence appearing longer or larger. Also more widely: an illusion in which the observer misjudges the size of an object when it appears close to a line, esp. the horizon.

ΘΚΠ

the world > physical sensation > sight and vision > thing seen > optical illusion > [noun] > an optical illusion > optical distortions

refraction1698

suppression1702

aerial perspective1704

irradiation1834

double image1880

barrel distortion1889

pincushion distortion1892

Poggendorff illusion1898

Ponzo illusion1942

pincushioning1947

space myopia1962

pincushion1968

Müller-Lyer1972

1942 Jrnl. Exper. Psychol. 30 84 (title) Experimental evidence for the electrical character of visual fields derived from a quantitative analysis of the Ponzo illusion.

1976 Sci. Amer. Apr. 50/1 In the Ponzo illusion, although both vertical lines are the same length, the effect of the subjective triangle is to make the line at the left appear to be longer.

1989 R. Ornstein & P. Ehrlich New World New Mind i. ii. 32 The Ponzo illusion..is more powerful to those at home in wide-open spaces than to those who dwell in tropical forests.

2004 Intelligencer Jrnl. (Lancaster, Pa.) (Nexis) 25 Sept. back page That the rising full Moon appears larger than it does when viewed ‘much higher’ in the sky is known as the Ponzo Illusion.

This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).

单词	ponzo illusion
释义	Ponzo illusionn. Brit. /ˈpɒnzəʊ ɪˌl(j)uːʒn/, U.S. /ˈpɑnzoʊ ᵻˌluʒ(ə)n/ Origin: From a proper name, combined with an English element. Etymons: proper name Ponzo , illusion n. Etymology: < the name of Mario Ponzo (1882–1960), Italian psychologist, who first identified the phenomenon in 1913 + illusion n. An optical illusion in which two transversely placed parallel bars of equal length, or any two figures of equal size, appear unequal when situated between converging straight lines, the bar or figure nearer the point of convergence appearing longer or larger. Also more widely: an illusion in which the observer misjudges the size of an object when it appears close to a line, esp. the horizon. ΘΚΠ the world > physical sensation > sight and vision > thing seen > optical illusion > [noun] > an optical illusion > optical distortions refraction1698 suppression1702 aerial perspective1704 irradiation1834 double image1880 barrel distortion1889 pincushion distortion1892 Poggendorff illusion1898 Ponzo illusion1942 pincushioning1947 space myopia1962 pincushion1968 Müller-Lyer1972 1942 Jrnl. Exper. Psychol. 30 84 (title) Experimental evidence for the electrical character of visual fields derived from a quantitative analysis of the Ponzo illusion. 1976 Sci. Amer. Apr. 50/1 In the Ponzo illusion, although both vertical lines are the same length, the effect of the subjective triangle is to make the line at the left appear to be longer. 1989 R. Ornstein & P. Ehrlich New World New Mind i. ii. 32 The Ponzo illusion..is more powerful to those at home in wide-open spaces than to those who dwell in tropical forests. 2004 Intelligencer Jrnl. (Lancaster, Pa.) (Nexis) 25 Sept. back page That the rising full Moon appears larger than it does when viewed ‘much higher’ in the sky is known as the Ponzo Illusion. This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022). < n.1942
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