barometer
/bə'rɔmitə/
Học thuậtThân thiện
Definition
- Noun:
- An instrument that measures atmospheric pressure: A barometer is a scientific device used to gauge the pressure exerted by the atmosphere. This measurement is crucial for weather forecasting, as changes in atmospheric pressure often indicate changes in weather conditions.
Usage
- The primary use of the word "barometer" is as a noun referring to the physical instrument.
- It can also be used metaphorically to describe something that serves as an indicator or gauge of changes, trends, or conditions in a particular area (e.g., the economy, public opinion).
Examples
- Literal Usage:
- The meteorologist checked the barometer to predict the approaching storm.
- A falling barometer often signals that rainy weather is on the way.
- Metaphorical Usage:
- Consumer confidence is a reliable barometer of the nation's economic health.
- Election results can act as a barometer of public opinion.
Advanced Usage
- "A barometer of something": A standard or indicator by which something is measured or judged.
- The stock market is often seen as a barometer of investor sentiment.
- "Political barometer": Something that measures the state or changes in political climate.
- The recent policy debate served as a political barometer for the party's internal divisions.
Variants and Related Words
- Barometric (adj): Relating to atmospheric pressure or measured by a barometer.
- Barometric pressure dropped rapidly before the hurricane.
- Barography (n): The process of recording atmospheric pressure.
- Barograph (n): A barometer that automatically records its readings on a chart.
Synonyms
- Gauge: An instrument or device for measuring the magnitude, amount, or contents of something.
- Indicator: A thing that indicates the state or level of something.
- Measure: A standard unit used to express the size, amount, or degree of something.
Idioms and Phrases
- "A barometer of success": Something used to measure or indicate the level of success.
- For many startups, user growth is the primary barometer of success.
- "To read the barometer": To interpret signs or indicators to understand a situation.
- Politicians must learn to read the barometer of public discontent.
Noun
- an instrument that measures atmospheric pressure