Traffic Light

Pronunciation: /ˈtræfɪk laɪt/

Definitions of traffic light

noun a set of colored lights, typically red, yellow, and green, used to control the flow of traffic at intersections

Example Sentences

A1 I stopped at the traffic light.

A2 The traffic light turned red as I approached.

B1 The traffic light at the intersection is broken.

B2 I always look both ways before crossing the street at a traffic light.

C1 The city council is planning to install new smart traffic lights.

C2 The synchronization of traffic lights in the downtown area has improved traffic flow.

Examples of traffic light in a Sentence

formal The traffic light turned red, indicating that we needed to stop.

informal Hey, did you see that traffic light change to green?

slang I gunned it as soon as the traffic light turned yellow.

figurative The traffic light of opportunity finally turned green for me.

Grammatical Forms of traffic light

• plural: traffic lights
• comparative: more traffic light
• superlative: most traffic light
• present tense: is a traffic light
• future tense: will be a traffic light
• perfect tense: has been a traffic light
• continuous tense: is being a traffic light
• singular: traffic light
• positive degree: very traffic light
• infinitive: to be a traffic light
• gerund: being a traffic light
• participle: a traffic light

Origin and Evolution of traffic light

First Known Use: 1868 year

Language of Origin: English

Story behind the word: The term 'traffic light' originated from the combination of the words 'traffic' and 'light' to describe a signaling device used to control the flow of vehicles.

Evolution of the word: Originally, the term 'traffic light' referred specifically to the red and green gas lamps used in railway signaling. Over time, it evolved to describe the electric traffic signals that we are familiar with today.