字間

Noun

 * 1)  an intercharacter space, the white space between the bottom/right edge of one character and the top/left edge of the next character, corresponding to "" in Western typography

Usage notes

 * The only meaningful difference between and  is units. The unit for  is  or  (absolutely relating to font size), while the unit for  is  or  (relatively relating to font size).
 * The is sometimes mistranslated into Japanese as, which is distinct from  in that  includes the width or height of CJK characters (which always equals 1 em). Mathematically speaking,  =  - font size.