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golden ratio

Noun CEFR B2

Definitions

The irrational number (approximately 1.618), usually denoted by the Greek letter φ (phi), which is equal to the sum of its own reciprocal and 1, or, equivalently, is the square root of the sum of itself and 1.

Equivalents

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CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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See also

golden record golden rectangle Golden Retriever Golden Retriever boyfriend Golden Ribbon golden rice

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