is the last addition to our modern alphabet. Scholars kept it from dictionaries until the late 19th century. It is descended from I, and in medieval times was used as a consonantal form of I. J is one of only two capitol letters with a descender (the other being Q).  
  manual alphabet, sign language alphabet, J JUSTIFY:     to adjust the length of the line so that it is flush left and right on the measure. Type in the Latin alphabet is commonly set either justified or FL/RR (flush left, ragged right).  


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