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| accidental |
in music, a symbol that indicates that a note should be played or sung one or two semitones higher or lower than is otherwise indicated. In most cases, the pitch is to be raised or lowered by one half step, as from F natural to F sharp. [1/5 definitions] |
| bass clef |
a sign on the fourth line of a musical staff, locating F below middle C; F clef. |
| F- |
in the U.S. military, a fighter plane, such as an F-16. |
| fa |
the tone F in the musical scale of C major. [1/2 definitions] |
| Fahrenheit |
of, pertaining to, or designating a temperature scale on which thirty-two degrees is the freezing point and 212 degrees is the boiling point of water. (abbr.: F) |
| fluorine |
an extremely reactive chemical element of the halogen group that has nine protons in each nucleus and that occurs naturally only in compounds such as fluoride salts, but that can be isolated in pure form as a yellowish, highly toxic gas. (symbol: F) |
| fricative |
a fricative consonant, such as "f," "v," or "s". [1/2 definitions] |
| f-stop |
for a camera lens, an aperture setting corresponding to an f-number. [2 definitions] |
| labiodental |
articulated with the upper lip and lower front teeth touching, as the sounds in English of "f" and "v". [1/2 definitions] |
| Lyndon Baines Johnson |
U.S. politician, Vice-President to President John F. Kennedy, and later the 36th President of the United States, serving from 1963 to 1969. Under Lyndon Johnson, the Vietnam war escalated. Two of Johnson's accomplishments as president were the passing of the Civil Rights Act and the passing of the Voting Rights Act (b.1908--d.1973). |
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