The letter F

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The letter F is the sixth letter and fourth consonant of our alphabet, and dates back to the Proto-Sinaitic letter waw. F is a fricative consonant, which means that the sound is produced by forcing air through a narrow channel: in F’s case, this is created by placing the lower lip against the upper teeth. In addition to the F-word, degrees Fahrenheit, F-stop, F-Troop, the musical note F and ff (fortissimo), F also stands for the Latin term fecit, or ‘made it’, and was often added by an artist or craftsman to the signature on their work. In typography, the lower case f is commonly seen as a ligature.