letter-spacing

Noun

letterspacing (usually uncountable, plural letterspacings)

1. (usually) The amount of space between adjacent text characters.

   Synonyms:

   tracking

2. (usually) The practice of typing a letterspace in between the letters of a word (for emphasis) or an abbreviation (for delimitation), which in current orthographies and styles tends to be limited (to only certain uses).
   • The typewritten identification papers from 1942 recorded the surname as A C K E R M A N N, with capitals and letterspacing.