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Flask

Podcast 1 · Introduction

Flask /flɑːsk/ · noun

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

In this course, a flask is a container for liquids, often with a stopper. The related entry for flat design gives a related word, and the Cambridge definition of flask and the Merriam-Webster entry for flask give the main sense. For more background, see the encyclopaedia article on flask.

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Podcast 2 · Daily Use

In Conversation

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

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Podcast 3 · Prompt Engineering

Prompting with "flask"

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

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Transcript: “Flask” vocabulary micro-course

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

Podcast 1 — Introduction & meaning

Narrator: Today's word is "Flask" — noun, pronounced /flɑːsk/, with the stress on "flask".

Narrator: A flask is a container for liquids, often with a stopper, sometimes insulated.

Narrator: In plain English, a flask is a bottle — like a hip flask for spirits or a vacuum flask for tea.

Narrator: It comes from the Old French flascon, meaning a bottle, from the Medieval Latin flasco.

Narrator: "A hip flask" describes a small, flat flask for carrying spirits in a pocket.

Narrator: It differs from bottle because a flask often has a stopper, whereas a bottle has a neck.

Narrator: "A vacuum flask" is a sense meaning an insulated container that keeps liquids hot or cold.

Narrator: Travel, cooking, science, outdoors and everyday speech all rely on the word flask.

Narrator: So remember: a flask is a liquid container, from the Old French for a bottle.

Read podcasts 2 and 3

Podcast 2 — In conversation

Speaker A: What is a flask?

Speaker B: A liquid container! FLASK comes from the Old French flascon, a bottle, so it means a container for liquids, often with a stopper.

Speaker A: So a hip flask carries spirits?

Speaker B: Yes — and a vacuum flask keeps tea hot!

Speaker A: Example sentences?

Speaker B: "A hip flask"; "a vacuum flask"; "a laboratory flask" — spirits, insulation and science.

Speaker A: Common mistakes?

Speaker B: Don't confuse flask with bottle, because a flask often has a stopper, while a bottle has a neck.

Speaker A: Close relatives?

Speaker B: 'Bottle' the general cousin, 'thermos' the insulated twin, 'vial' the small alternative. The word keeps its containing charm!

Podcast 3 — Prompt engineering

Speaker B: Let's use "flask" in AI prompts — useful for travel apps and science tools.

Speaker A: So a prompt could frame travel?

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

Prompt: Write a short guide to choosing a vacuum flask, naming two features.

Speaker A: How about a science tool?

Speaker B: Ask the model to advise:

Prompt: Draft a guide to laboratory flasks, naming two types.

Speaker A: Could it help with an outdoors bot?

Speaker B: Yes, you can frame hiking:

Prompt: Summarise in two sentences why a flask is useful outdoors, naming one benefit.

Speaker A: One more?

Speaker B: For a cooking chatbot, try this:

Prompt: Write a short note on using a hip flask, naming one etiquette rule.