縮しゅく尺しゃく

noun, noun or participle which takes 'suru', transitive verb

reduced scale; scale ratio; map or drawing scale

Most commonly a noun for the ratio by which a map, plan, diagram, or model is smaller than the real thing, as in 縮尺5万分の1.

• この地ち図ずの縮しゅく尺しゃくは5ご万まん分ぶんの1です。

  The scale of this map is one to fifty thousand.

• 図ず面めんの右みぎ下したに縮しゅく尺しゃくが書かいてある。

  The scale is written in the lower right corner of the drawing.

noun, noun or participle which takes 'suru', transitive verb

scale down; draw at a reduced scale

As 縮尺する, it means to reduce something to a smaller scale. In ordinary contexts 縮小する is often broader, while 縮尺する is especially tied to plans, drawings, maps, diagrams, or models.

• 実じつ物ぶつを100分ぶんの1に縮しゅく尺しゃくして図ず面めんに描かいた。

  I drew the object on the plan scaled down to one hundredth of its actual size.