English Dictionary

geometric pen

名詞

An instrument for drawing geometric curves, in which the movements of a pen or pencil attached to a revolving arm of adjustable length may be indefinitely varied by changing the toothed wheels which give motion to the arm.

日本語の意味

幾何曲線を描くための描画具。調節可能な長さの回転アームに取り付けられたペンや鉛筆の動きを、歯付き車輪の変更により無限に変化させることができる器具。

Using the geometric pen, she traced elaborate spirograph-like curves by adjusting the toothed wheels on its revolving arm.

幾何学的な曲線を描く機械式の器具を使って、彼女は回転するアームの噛み合う歯車を調整しながら精巧なスピログラフのような模様をなぞった。

意味（1）

An instrument for drawing geometric curves, in which the movements of a pen or pencil attached to a revolving arm of adjustable length may be indefinitely varied by changing the toothed wheels which give motion to the arm.

geometric pens （ plural ）