Reference meaning
golden ratio
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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.
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This definition is reproduced from English Wiktionary, sense en-golden_ratio-en-noun-ilMsb56Q, under the CC BY-SA 4.0. It has not yet received VocabularyBase editorial review. Read the source and license details.