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词汇 Pulfrich
释义

Definition of Pulfrich in English:

Pulfrich

noun ˈpʊlfrɪxˈpʊlfrɪk
  • Attributive and in the genitive. Used with reference to an optical illusion in which a pendulum appears to describe ellipses instead of a linear arc when viewed with one eye covered with a dark filter and the other eye uncovered.

Origin

1920s. From the name of Carl Pulfrich, German physicist, who described the illusion.

Definition of Pulfrich in US English:

Pulfrich

noun
  • Attributive and in the genitive. Used with reference to an optical illusion in which a pendulum appears to describe ellipses instead of a linear arc when viewed with one eye covered with a dark filter and the other eye uncovered.

Origin

1920s. From the name of Carl Pulfrich, German physicist, who described the illusion.

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