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Smog

Podcast 1 · Introduction

Smog

noun · /smɒɡ/ · documentary narration

In this introduction, smog means thick, dirty haze of smoke and, so the lesson points to fog. Cambridge defines smog, and the American entry records smog. Background sits in the article on Smog.

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Podcast 2 · Daily Use

Smog in conversation

Two British speakers · everyday usage

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Podcast 3 · Prompt Engineering

Prompting with "Smog"

Instructor & developer · copy + read each prompt

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Transcript: “Smog” vocabulary micro-course

Read along with the three podcasts, or open the full dictionary entry for Smog for the definition, Arabic meaning, synonyms and example sentences.

Podcast 1 — Introduction & meaning

Narrator: Welcome. Today's word is smog — a noun, pronounced smog, with the IPA /smɒɡ/.

Narrator: Smog is a thick, dirty haze of smoke and fog that hangs over cities, polluting the air and dimming the sky.

Narrator: In plain English, smog is that brownish-grey murk you see over busy cities on a still, polluted day — bad air you can almost see.

Narrator: The word is a clever blend — a portmanteau of smoke and fog — coined in London in the early nineteen-hundreds.

Narrator: It was born from Britain's coal-burning era, and surged into fame after the deadly Great Smog of London in nineteen-fifty-two.

Narrator: Today it names modern pollution too — traffic smog, summer smog, and the hazy air over many of the world's largest cities.

Narrator: Its register is neutral and scientific, common in weather reports, health warnings, and environmental news worldwide.

Narrator: Remember it this way: smog is smoke plus fog. Two words fused into one grey cloud over the city.

Read podcasts 2 and 3

Podcast 2 — In conversation

Speaker A: The city looked so hazy this morning — I could barely see the skyline through the smog.

Speaker B: Yes, the smog was thick today. The traffic and the still air always make it worse.

Speaker A: It really catches your throat. They even put out a smog warning on the news.

Speaker B: Quick tip — smog is smoke and fog mixed with pollution; plain fog is just harmless water vapour. Don't confuse them.

Speaker A: Right. So a misty morning by the river is fog, but the grey haze over the motorway is smog.

Speaker B: Exactly. And smog is countable as a mass — we say 'the smog', not 'a smog' or 'smogs'.

Speaker A: Is 'haze' a synonym?

Speaker B: Close. Haze is any light blur in the air; smog specifically means polluted, smoky air. Smog is dirtier and unhealthier.

Speaker A: Helpful. So I'll wear a mask on heavy-smog days and check the air report.

Speaker B: Wise. Stay indoors when the smog is bad.

Podcast 3 — Prompt engineering

Speaker B: Today we'll use the word smog to prompt an AI for environment, monitoring, and health-alert tools.

Speaker A: Useful — I build dashboards and trackers, so a smog theme fits air-quality features well.

Speaker B: Let's start with a dashboard.

Prompt: Design an air-quality dashboard that shows today's smog level as a big colour dial from green to red, the main pollutants, and a clear health tip for high-smog days.

Speaker B: Naming the smog level tells the AI the exact metric, so the dashboard centres on air quality at a glance.

Speaker A: Useful. What about a map?

Prompt: Build a city map that shades each district by its smog level, lets a user tap an area for the reading, and marks the cleanest and most smog-heavy zones with simple icons.

Speaker B: Now the database — keep names plain.

Prompt: Design a database schema for an air app with tables for cities, sensors, and readings, where each reading stores a smog value and a time, and an index on the time for fast charts.

Speaker A: Clear. Could one prompt build the whole tool?

Prompt: Build a simple air-quality app where users pick their city, see the current smog level, and a weekly chart shows how the smog rose and fell over the last seven days.

Speaker B: For safety, lean on alerts.

Prompt: Add a smog alert that warns users when the smog level passes a safe limit, sends a push notification to stay indoors, and suggests the best low-smog hours to go outside.

Speaker A: One more — a comparison view?

Prompt: Create a compare screen that lines up the smog levels of three cities side by side, shows a bar for each, and highlights which city has the cleanest air right now.

Speaker B: See the pattern: the word smog points the AI at air quality, monitoring, and health warnings. Clear and practical.

Speaker A: Love it. Smog means polluted air to track — I'll keep it for environment and alert prompts.