hydrargyrum
Noun: A heavy, silvery, toxic metallic element that is liquid at ordinary temperatures. It is represented by the symbol Hg and has the atomic number 80. It is univalent and bivalent, meaning it can form compounds with a +1 or +2 oxidation state.
This is a highly technical and formal term, primarily used in scientific, medical, or historical contexts. In common usage, the word mercury is almost always preferred. - The ancient alchemists referred to hydrargyrum as quicksilver. - The laboratory thermometer contained a column of hydrargyrum.
Scientific Context:
- The chemical symbol for hydrargyrum is Hg, derived from its Latin name.
- Exposure to vapors of hydrargyrum can cause severe neurological damage.
Historical/Technical Context:
- Old medical devices sometimes used hydrargyrum in their construction.
- The mineral cinnabar is the principal ore of hydrargyrum.
- The term is often seen in older scientific literature or in the context of the history of chemistry and alchemy.
- It is the source of the modern element symbol Hg.
- Mercury: The common, everyday name for the element.
- Quicksilver: An archaic or poetic term for the element, referring to its liquid, silver-like appearance and mobility.
- Mercury (common synonym)
- Quicksilver (archaic synonym)
This word refers exclusively to the chemical element. It does not have other meanings (e.g., it is not related to the planet Mercury or the Roman god, though they share the common name). Its sole definition is the metallic element described above.
- a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures