americium
/,æmə'risiəm/
Definition
- Noun:
- A radioactive transuranic metallic element: Americium is a synthetic, radioactive chemical element with the symbol Am and atomic number 95. It is a member of the actinide series and is produced artificially by bombarding uranium or plutonium with neutrons.
Usage Examples
- Noun:
- Americium-241 is commonly used in household smoke detectors.
- Scientists discovered americium in 1944 during the Manhattan Project.
Advanced Usage
- "Americium oxide" (AmO₂): A common chemical compound of americium.
- The americium oxide source is carefully sealed within the ionization chamber of the detector.
Variants and Related Words
- Actinide (n): Any of the series of fifteen metallic elements from actinium (atomic number 89) to lawrencium (atomic number 103). Americium is an actinide.
- Transuranic element (n): Any chemical element with an atomic number greater than 92 (uranium). Americium is a transuranic element.
Synonyms
- Element 95: Refers to americium by its atomic number.
- Am: The chemical symbol for americium.
Noun
-
a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms
Khám phá thêm
Các từ liên quan
Từ đồng nghĩa
Từ có nhắc đến "americium"
