“Hg” is the chemical symbol for mercury, a heavy metal that is liquid at room temperature. It comes from the Latin name hydrargyrum.
People usually see “Hg” in science, medicine, and measurements. For example, it appears on thermometers, barometers, and blood pressure readings, where it refers to mercury or millimeters of mercury.
Meaning & Usage
“Hg” is used to show mercury in chemistry and to mark pressure units that are based on mercury. It is a short, standard symbol used in many technical and scientific contexts.
Examples
For example, “mmHg” means millimeters of mercury, which is a common unit for blood pressure. You may also see “Hg” in lab reports, science books, or older measuring devices.
Is Hg a word or an abbreviation?
It is an abbreviation, not a word. It is the chemical symbol for mercury.
What does mmHg mean?
mmHg means millimeters of mercury. It is used to measure pressure, especially blood pressure.
Where do people use Hg?
People use Hg in science, medicine, and pressure measurements. It is most common in technical settings.
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