Phinary
//ˈfaɪnəɹi// noun, slang
noun, slang ·Uncommon ·College level
Definitions
Noun
- 1 A numeral system that uses the golden ratio as its base. colloquial, uncountable
Etymology
Blend of phi + binary, in reference to the Greek letter phi (φ).
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.