Medium x-heights are found on fonts intended for body text, allowing more balance and contrast between upper- and lowercase letters … See more

Lowercase letters whose height is greater than the x-height either have descenders which extend below the baseline, such as y, g, q, and p, or have ascenders which extend above the x-height, such as l, k, b, and d. The ratio of the x-height to the body height See more

• Definition of x-height at typophile.com
• In the search of ideal line-height See more

In computing one use of x-height is as a unit of measurement in web pages. In CSS and LaTeX the x-height is called an ex. The use of ex in dimensioning objects, however, is less stable than use of the em across browsers. Internet Explorer, for example, … See more

• En (typography)
• Small caps
• Typeface anatomy See more