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plutonium

Advanced (C1/C2)

IPA: /pluˈtoʊniəm/

KK: /pluˈtoʊniəm/

noun
Definition

A heavy, radioactive metal that is used in nuclear reactors and weapons. It is found in small amounts in uranium ores and can be made artificially. It has a long half-life and is harmful to health.


Example

Plutonium is a key material used in the production of nuclear energy.


Conversation
Sloth A
Did you know that plutonium is used in nuclear reactors?
Sloth B
Really? I thought it was just for bombs.
Sloth A
Yeah, it’s interesting how it can be both energy and a weapon.
Sloth B
Exactly! It’s a powerful element, but also really dangerous.

Synonyms & Antonyms
Synonyms
element
isotope
metal
Antonyms
nonmetal
gas
liquid
Root Explanation

**Plutonium** → The name 'plutonium' is derived from 'Pluto' (the Roman god of the underworld, symbolizing the planet Pluto) and the suffix '-ium' (used in chemistry to denote metallic elements). The word 'plutonium' refers to a chemical element named after the planet associated with the underworld, reflecting its discovery after the planet Pluto was identified.

Memory Tip

Think of 'Pluto', the god of the underworld, to remember that 'plutonium' is named after this planet, symbolizing its heavy and mysterious nature.

Visually Confused Words
polonium
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