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Krypton

Podcast 1 · Introduction

Krypton /ˈkrɪptɒn/ · noun

A short documentary narration — meaning, origin, and how the word is used.

In this course, krypton is a colourless noble gas with atomic number 36. The related entry for neon gives a related word, and the Cambridge definition of krypton and the Merriam-Webster entry for krypton give the main sense. For more background, see the encyclopaedia article on krypton.

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Podcast 2 · Daily Use

In Conversation

Two British speakers using "krypton" naturally in everyday talk.

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Podcast 3 · Prompt Engineering

Prompting with "krypton"

An instructor and developer explore real, copy-ready AI prompts built around the word.

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Transcript: “Krypton” vocabulary micro-course

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

Podcast 1 — Introduction & meaning

Narrator: Today's word is "Krypton" — noun, pronounced /ˈkrɪptɒn/, with the stress on "krip".

Narrator: Krypton is a colourless, odourless noble gas with atomic number 36.

Narrator: In plain English, krypton is a rare gas used in lights and insulated windows.

Narrator: It comes from the Greek kryptos, hidden, because it was hidden in air.

Narrator: "Krypton lamps" describes bright lights in flashes and airport runways.

Narrator: It differs from neon because krypton glows whitish, whereas neon glows red-orange.

Narrator: "Krypton" is also the fictional home planet of Superman.

Narrator: Lighting, photography, window insulation and lasers all rely on krypton.

Narrator: So remember: krypton is the hidden noble gas, and Superman's planet too.

Read podcasts 2 and 3

Podcast 2 — In conversation

Speaker A: What is krypton?

Speaker B: A hidden gas! KRYPTON comes from the Greek kryptos, meaning hidden.

Speaker A: Is it like kryptonite?

Speaker B: Only in name — kryptonite is fictional!

Speaker A: Example sentences?

Speaker B: "The window is filled with krypton"; "Krypton lights the runway"; "Superman comes from Krypton" — home, airport and comics.

Speaker A: Common mistakes?

Speaker B: Don't confuse krypton with kryptonite, because only krypton is a real element.

Speaker A: Close relatives?

Speaker B: 'Neon' the glowing cousin, 'argon' the common twin, 'xenon' the heavier alternative. The word keeps its hidden charm!

Podcast 3 — Prompt engineering

Speaker B: Let's use "Krypton" in AI prompts — useful for building apps and science lessons.

Speaker A: So a prompt could frame buildings?

Speaker B: Right. For a home energy app, you'd write:

Prompt: Explain why some double glazed windows are filled with krypton gas.

Speaker A: How about lighting?

Speaker B: Ask the model to compare:

Prompt: Compare neon, argon and krypton lamps by colour and brightness.

Speaker A: Could it help with data?

Speaker B: Yes, you can frame cards:

Prompt: Add krypton to the element table with symbol Kr and main uses.

Speaker A: One more?

Speaker B: For a quiz, try this:

Prompt: Write three questions separating real krypton from fictional kryptonite.