The Reaumur Thermometer is a temperature measuring device named after its inventor, Rene-Antoine Ferchault de Reaumur. The word "Reaumur" is pronounced as [ʀeoˈmyʁ] in IPA phonetic transcription, with emphasis on the second syllable. The spelling of this word contains several unique sounds, including the French "eu" sound and the guttural French "r" that can be challenging for non-native French speakers to pronounce accurately. The Reaumur Thermometer measures temperatures on a scale where the freezing point of water is 0 degrees and the boiling point is 80 degrees.
The Reaumur thermometer is a historical temperature measurement device named after René Antoine Ferchault de Réaumur, a French scientist and inventor. It is a type of mercury-in-glass thermometer that is designed to measure temperature on the Réaumur scale.
The Réaumur scale is the temperature scale developed by René Réaumur in 1730. It divides the interval between the freezing and boiling points of water into 80 equal parts, or degrees. On this scale, the freezing point of water is set at 0 degrees Réaumur, while the boiling point is set at 80 degrees Réaumur.
The Reaumur thermometer consists of a glass tube filled with mercury, inserted into a glass bulb at the bottom. As the temperature changes, the mercury expands or contracts, rising or falling within the glass tube. The temperature can be read by observing the level of the mercury inside the glass tube against a calibrated scale on the thermometer.
While the Reaumur thermometer was widely used in Europe during the 18th and 19th centuries, it has since been largely replaced by the Celsius and Fahrenheit scales. Today, it is considered an obsolete temperature measurement device, primarily of historical interest and curiosity.
The word "Reaumur Thermometer" is named after René Antoine Ferchault de Réaumur, a French scientist who invented this temperature scale and thermometer in the early 18th century. Réaumur was a prominent naturalist and inventor who made significant contributions to various fields of science, including entomology, metallurgy, and hydraulics. The Réaumur Thermometer, also known as the "Réaumur scale", is based on the freezing and boiling points of water and divides the temperature range into 80 degrees.