golden ratio
English
A pentagram colored to distinguish its line segments of different lengths. The four lengths are in golden ratio to one another.
Noun
golden ratio (plural golden ratios)
- (geometry) The irrational number (approximately 1.618), usually denoted by the Greek letter φ (phi), which is equal the sum of its own reciprocal and 1, or, equivalently, is such that the ratio of 1 to the number is equal to the ratio of its reciprocal to 1.
- Synonym: golden number
Translations
irrational number
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See also
- divine proportion
- extreme ratio
- golden cut
- golden mean
- golden proportion
- golden rectangle
- golden section
- mean ratio
- sectio divina
- φ
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