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Phon vs Pheon - What's the difference?

phon | pheon |

As nouns the difference between phon and pheon

is that phon is a unit of apparent loudness, equal in number to the intensity in decibels of a 1,000-hertz tone judged to be as loud as the sound being measured while pheon is a bearing representing the head of a dart or javelin, with long barbs which are engrailed on the inner edge.

phon

English

Noun

(phons)
  • (acoustics) A unit of apparent loudness, equal in number to the intensity in decibels of a 1,000-hertz tone judged to be as loud as the sound being measured.

    • pheon

    English

    Noun

    (en noun)
  • (heraldiccharge) A bearing representing the head of a dart or javelin, with long barbs which are engrailed on the inner edge.
    • (Webster 1913)