densimeter
/den'simitə/
Definition
Noun: A densimeter is a scientific instrument used to measure the density or specific gravity of a liquid or, less commonly, a solid. Density is the mass per unit volume of a substance, and specific gravity is the ratio of a substance's density to the density of a reference substance (usually water). This instrument is crucial in fields like chemistry, brewing, winemaking, and quality control in various industries.
Examples of Usage
- Noun:
- The chemist used a densimeter to check the concentration of the saline solution.
- In winemaking, a densimeter (often called a hydrometer) helps determine the sugar content and potential alcohol level of the must.
- The quality control lab requires a precise densimeter to ensure the fuel meets specific density standards.
Advanced Usage
- "To take a densimeter reading": The act of using the instrument to obtain a measurement.
- After calibrating the device, the technician took a densimeter reading of the coolant.
Variants and Related Words
- Hydrometer (n): A specific, common type of densimeter used for measuring the specific gravity of liquids. While all hydrometers are densimeters, not all densimeters (like digital or oscillating types) are hydrometers.
- A brewer's hydrometer is essential for making beer.
- Pycnometer (n): A glass flask used to determine the density of a fluid or solid by measuring its weight and volume precisely.
- Densimetry (n): The measurement of density.
Synonyms
- Hydrometer: (for liquids)
- Gravitometer: (less common)
- Density gauge: (general term)
Related Phrases
- Density measurement: The process of determining density.
- Specific gravity test: A common application of a densimeter.
Noun
-
a measuring instrument for determining density or specific gravity
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