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f    音标拼音: ['ɛf]
n. 字母f

字母f

F
n 1: a degree on the Fahrenheit scale of temperature [synonym:
{degree Fahrenheit}, {F}]
2: a nonmetallic univalent element belonging to the halogens;
usually a yellow irritating toxic flammable gas; a powerful
oxidizing agent; recovered from fluorite or cryolite or
fluorapatite [synonym: {fluorine}, {F}, {atomic number 9}]
3: the capacitance of a capacitor that has an equal and opposite
charge of 1 coulomb on each plate and a voltage difference of
1 volt between the plates [synonym: {farad}, {F}]
4: the 6th letter of the Roman alphabet [synonym: {F}, {f}]

F \F\ ([e^]f).
1. F is the sixth letter of the English alphabet, and a
nonvocal consonant. Its form and sound are from the Latin.
The Latin borrowed the form from the Greek digamma ?,
which probably had the value of English w consonant. The
form and value of Greek letter came from the Ph[oe]nician,
the ultimate source being probably Egyptian.
Etymologically f is most closely related to p, k, v, and
b; as in E. five, Gr. pe`nte; E. wolf, L. lupus, Gr.
ly`kos; E. fox, vixen; fragile, break; fruit, brook, v.
t.; E. bear, L. ferre. See Guide to Pronunciation,
[sect][sect] 178, 179, 188, 198, 230.
[1913 Webster]

2. (Mus.) The name of the fourth tone of the model scale, or
scale of C. F sharp (F [sharp]) is a tone intermediate
between F and G.
[1913 Webster]

{F clef}, the bass clef. See under {Clef}.
[1913 Webster]

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  • F - Wikipedia
    F (minuscule: f) is the sixth letter of the Latin alphabet and many modern alphabets influenced by it, including the modern English alphabet and the alphabets of all other modern western European languages Its name in English is ef[a] (pronounced ˈɛf ⓘ), and the plural is efs[b], when the letter is used as a noun [1]
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  • Fahrenheit - Wikipedia
    The Fahrenheit scale ( ˈfærənhaɪt, ˈfɑːr - ) is a temperature scale based on one proposed in 1724 by Daniel Gabriel Fahrenheit (1686–1736) [1] It uses the degree Fahrenheit (symbol: °F) as the unit Several accounts of how he originally defined his scale exist, but the original paper suggests the lower defining point, 0 °F, was established as the freezing temperature of a solution
  • F - Simple English Wikipedia, the free encyclopedia
    In calendars, F is often an abbreviation for Friday, or for the month February In chemistry, F is the symbol for fluorine In education, F is a failing grade In music, F is a note, sometimes referred to as “Fa” In temperature, °F is degrees Fahrenheit In logic, F stands for False, as opposed to T for True In slang, F stands for the curse word, but could also stand for respect of the
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  • Learn The Letter F | Lets Learn About The Alphabet | Phonics Song for . . .
    Learn the letter F This Alphabet song in our Let’s Learn About the Alphabet Series is all about the consonant fYour children will be engaged in singing, lis





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