curium
/'kjuəriəm/
Definition
- Noun:
- A radioactive transuranic metallic element: Curium is a synthetic, heavy metal that is radioactive and belongs to the actinide series of elements. It is produced artificially and does not occur naturally in significant quantities.
Usage Examples
- Noun:
- Curium was first produced in 1944 by bombarding plutonium with alpha particles.
- The isotope curium-244 is used as a power source in some space missions.
- Handling curium requires strict safety protocols due to its intense radioactivity.
Advanced Usage
- Scientific Context: Curium is primarily discussed in nuclear chemistry, physics, and materials science. Its most common isotopes are Cm-242 and Cm-244.
- The research focused on the metallurgical properties of curium alloys.
Variants and Related Words
- Symbol: Cm (The chemical symbol for curium, used on the periodic table).
- Actinide: (n) Any element in the series from actinium to lawrencium, of which curium is a member.
- Transuranium/Transuranic element: (n) Any chemical element with an atomic number greater than 92 (uranium), a category that includes curium.
Synonyms
- Element 96: A synonym referring to its atomic number.
- Synthetic element: A broader term for human-made elements like curium.
Related Phrases and Idioms
(This word is a highly specific scientific term and is not commonly used in idiomatic expressions or phrasal verbs.)
Noun
-
a radioactive transuranic metallic element; produced by bombarding plutonium with helium nuclei
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