line height
Computing term for the vertical space between lines of text, often used in word processing, web design, and typesetting.
この文書では行の高さを1.5倍に設定してください。
Please set the line height to 1.5 times in this document.
CSSでは、行の高さを指定するプロパティを使います。
In CSS, you use a property to specify line height.
Compound of 行 (line) + の (possessive particle) + 高さ (height). A straightforward technical term.