← Back to Dictionary

Samarium

Podcast 1 · Introduction

Samarium /səˈmeəriəm/ · noun

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

In this course, samarium is a silvery rare earth metal with atomic number 62. The related entry for neodymium gives a related word, and the Cambridge definition of samarium and the Merriam-Webster entry for samarium give the main sense. For more background, see the encyclopaedia article on samarium.

Ready
Podcast 2 · Daily Use

In Conversation

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

Ready
Podcast 3 · Prompt Engineering

Prompting with "samarium"

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

Ready
1 / 3

Transcript: “Samarium” vocabulary micro-course

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

Podcast 1 — Introduction & meaning

Narrator: Today's word is "Samarium" — noun, pronounced /səˈmeəriəm/, with the stress on "mair".

Narrator: Samarium is a silvery rare earth metal with atomic number 62, used in strong, heat-resistant magnets.

Narrator: In plain English, samarium is a metal for magnets that keep working when hot.

Narrator: It is named after the mineral samarskite, which honours Colonel Vasili Samarsky-Bykhovets.

Narrator: "Samarium cobalt magnet" describes a magnet that resists heat and corrosion.

Narrator: It differs from neodymium because samarium magnets work better at high temperatures.

Narrator: "Samarium-153" is a second pattern, an isotope used to relieve cancer bone pain.

Narrator: Aerospace, medicine, lasers and electronics rely on samarium.

Narrator: So remember: samarium is the rare earth named after a mineral and a Russian colonel.

Read podcasts 2 and 3

Podcast 2 — In conversation

Speaker A: What is samarium?

Speaker B: A rare earth metal! SAMARIUM is named after the mineral samarskite.

Speaker A: Is it named after a person?

Speaker B: Indirectly — Colonel Samarsky-Bykhovets!

Speaker A: Example sentences?

Speaker B: "The motor uses samarium cobalt"; "Samarium-153 eases bone pain"; "Samarium is a rare earth" — engine, hospital and table.

Speaker A: Common mistakes?

Speaker B: Don't spell it samarum, because the ending is ium.

Speaker A: Close relatives?

Speaker B: 'Neodymium' the magnet cousin, 'promethium' the neighbour twin, 'europium' the next alternative. The word keeps its colonel charm!

Podcast 3 — Prompt engineering

Speaker B: Let's use "Samarium" in AI prompts — useful for aerospace and medical apps.

Speaker A: So a prompt could frame aerospace?

Speaker B: Right. For a tech blog, you'd write:

Prompt: Explain why satellites use samarium cobalt magnets in simple words.

Speaker A: How about medicine?

Speaker B: Ask the model to write:

Prompt: Write a patient leaflet about samarium-153 treatment.

Speaker A: Could it help with data?

Speaker B: Yes, you can frame cards:

Prompt: Add samarium to the rare earth table with symbol Sm and main uses.

Speaker A: One more?

Speaker B: For a quiz, try this:

Prompt: Write three questions on how samarium got its name.