bunsen
Học thuậtThân thiện
Definition
- Noun:
- A laboratory gas burner: A "bunsen" is a common piece of laboratory equipment used for heating, sterilization, and combustion. It produces a single open gas flame, and its air supply can be adjusted to create a clean, hot flame.
- A person, Robert Bunsen: "Bunsen" refers to the German chemist Robert Wilhelm Bunsen, known for his work in spectroscopy and for the invention that bears his name.
Examples of Usage
- Noun (Equipment):
- Please light the bunsen to begin the experiment.
- The mixture was heated over a bunsen burner.
- Noun (Person):
- Bunsen collaborated with Gustav Kirchhoff in the discovery of cesium and rubidium.
- The principles developed by Bunsen are still fundamental in chemistry.
Advanced Usage
- "Bunsen flame": Refers specifically to the adjustable flame produced by the burner.
- A blue bunsen flame is much hotter than a yellow one.
- In informal laboratory contexts, "bunsen" is often used alone to mean the burner.
- Hand me that bunsen, will you?
Variants and Related Words
- Bunsen burner (n): The full term for the apparatus.
- Always secure loose clothing when using a Bunsen burner.
- Bunsen cell (n): A type of zinc-carbon primary cell (a battery) invented by Robert Bunsen.
- Bunesnite (n): A rare mineral named in honor of Robert Bunsen.
Synonyms
- Laboratory burner: A general term for gas burners used in labs.
- Gas jet: A simpler, non-adjustable gas outlet for a flame.
Related Phrases
- To turn on/off the bunsen: The basic operation of the equipment.
- Remember to turn off the bunsen before leaving the lab.
- To adjust the bunsen: To modify the air intake to change the flame's properties.
- You need to adjust the bunsen to get a reducing flame.
Noun
- a gas burner used in laboratories; has an air valve to regulate the mixture of gas and air
- German chemist who with Kirchhoff pioneered spectrum analysis but is remembered mainly for his invention of the Bunsen burner (1811-1899)