traffic light

信号機

色のついた光で、運転者や歩行者に止まる時と進む時を知らせる装置。

やさしい英語で： A road signal with colored lights that tells drivers and people walking when to stop or go.

• The traffic light is red.
• We stopped when the traffic light changed.
• Several traffic lights were broken after the storm.

類義語： stoplight, traffic signal

よく使う表現： red traffic light, broken traffic light, traffic light changes

信号のある交差点

信号で車や歩行者が通るタイミングを決める、道路の交わる場所。

やさしい英語で： A place where roads meet and colored signals control when people can cross or drive through.

• Turn left at the next traffic light.
• There’s a café just beyond the traffic lights.
• Go straight through two traffic lights, then turn right.

類義語： signalized junction, signalized intersection

よく使う表現： next traffic light, at the traffic light

信号機方式、三色評価

安全性や良さ、準備の程度を赤・黄・緑で示す仕組み。

やさしい英語で： A system using red, yellow, and green to show how safe, good, or ready something is.

• The report uses a traffic light system.
• Traffic light labels show which foods contain too much salt.
• Each project received a traffic light rating for its progress.

類義語： color coding

よく使う表現： traffic light system, traffic light rating, traffic light labels

色管理用の点

切手のそばに印刷され、印刷色が正しいか確認するための色つきの点。

やさしい英語で： Colored dots beside printed stamps that let printers check whether the colors are correct.

• The stamp sheet has traffic lights in its margin.
• Collectors often keep the traffic lights attached to their stamps.
• The printer checked the traffic lights for color accuracy.

類義語： color control dots

よく使う表現： stamp traffic light, traffic light dots

信号機パターン

コンウェイのライフゲームで、中心の周囲に四つの点滅群を等間隔に置く形。

やさしい英語で： A pattern in Conway’s Game of Life with four blinking groups equally spaced around a center.

• The simulation produced a traffic light.
• Each traffic light contains four blinkers around a central point.
• After several generations, two traffic lights appeared on the grid.

よく使う表現： traffic light pattern, stable traffic light