phon 
(fŏn)
(fŏn)n.
A unit of apparent loudness, equal in number to the intensity in decibels of a 1,000-hertz tone perceived to be as loud as the sound being measured.
[German, from Greek phōnē, sound; see PHONE1.]
| 单词 | phon |
| 释义 | phon (fŏn)n. A unit of apparent loudness, equal in number to the intensity in decibels of a 1,000-hertz tone perceived to be as loud as the sound being measured. [German, from Greek phōnē, sound; see PHONE1.] |
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