es
Definition
- Noun:
- A radioactive transuranic element: "Es" is the chemical symbol for einsteinium, a synthetic element produced artificially, typically by bombarding plutonium with neutrons. It is highly radioactive.
Usage Examples
- Noun:
- Scientists studied the properties of Es. (Researchers examined the characteristics of the element einsteinium.)
- The isotope Es-253 was produced in the reactor. (This specific form of einsteinium was created in a nuclear reactor.)
Advanced Usage
- Scientific Notation: In chemical equations or nuclear physics contexts, "Es" is used to represent the element einsteinium.
- The decay chain includes several isotopes, including Es-254.
- Historical Context: Often mentioned in the context of its discovery in the debris of the first hydrogen bomb test or in nuclear research.
- Einsteinium (Es) was discovered in 1952.
Variants and Related Words
- Einsteinium (n): The full name of the element for which "Es" is the symbol.
- Einsteinium is a member of the actinide series.
Synonyms
- Element 99: A synonym referring to its atomic number.
- Transuranic element: A categorical term for elements with atomic numbers greater than uranium (92), which includes einsteinium.
Notes
- As a chemical symbol, "Es" is typically not used in idiomatic expressions or phrasal verbs. Its usage is confined to scientific and technical contexts in chemistry and physics.
Noun
-
a radioactive transuranic element produced by bombarding plutonium with neutrons
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