noun
edge width scale factor
Computing term used in graphics or layout contexts to describe a multiplier for the width of an edge or border.
この設定で辺線幅倍率を1.5にすると、枠線が太くなります。
If you set the edge width scale factor to 1.5 in this setting, the border will become thicker.
Compound of 辺線 (edge line) + 幅 (width) + 倍率 (magnification, scale factor). A technical term formed from Sino-Japanese elements.