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C2 Level Wordlist - Measurement

Here you will learn all the essential words for talking about Measurement, collected specifically for level C2 learners.

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CEFR C2 Vocabulary
photometry

the scientific measurement of light in terms of its intensity, color, and other properties

Ex: The astronomer used photometry to determine the luminosity of distant stars by measuring their light intensity. 
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altimeter
altimeter
[noun]

an instrument used to measure and indicate the altitude of an object above a fixed level, typically the Earth's surface

Ex: The pilot checked the altimeter before takeoff to ensure an accurate reading of the aircraft's altitude. 
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anemometer

a device used to measure the speed and direction of the wind

Ex: The meteorologist used an anemometer to measure the wind speed during the weather report. 
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ampere
ampere
[noun]

the unit of electric current, symbolized as "A" in the International System of Units

Ex: The circuit was designed to handle a maximum current of 10 amperes to ensure safety. 
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barometer
barometer
[noun]

a scientific instrument used to measure air pressure

Ex: Barometer readings are a useful indicator of how weather might differ at higher elevations compared to sea level. 
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karat
karat
[noun]

a unit to measure the purity of gold, the purest gold being 24 karats

Ex: The jeweler confirmed that the necklace was made of 18 karat gold, which is 75% pure gold mixed with other metals for added strength. 
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perimeter
perimeter
[noun]

the total length of the external boundary of something

Ex: The geometry student calculated the perimeter of the rectangular garden to determine how much fencing would be needed. 
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hypsometry

the measurement of land elevation variations comparing to sea level or a chosen reference point

Ex: Hypsometry helps map mountains and valleys accurately. 
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hydrometry

the measurement and analysis of water flow, levels, and properties in natural bodies of water and hydraulic systems

Ex: Hydrometry helps determine river flow rates for flood forecasting. 
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spectrometry

the measurement and analysis of the spectrum of electromagnetic radiation emitted or absorbed by substances

Ex: Chemists use spectrometry to identify unknown compounds in samples. 
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voltmeter
voltmeter
[noun]

a device used to measure the electric potential difference between two points in an electrical circuit

Ex: A voltmeter indicated a low battery charge in the flashlight. 
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manometer
manometer
[noun]

a device used to measure the pressure of gases in a closed system, typically by comparing it to atmospheric pressure

Ex: A manometer indicated low tire pressure in the car. 
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thermocouple

a temperature sensor that generates electricity based on heat

Ex: The oven uses a thermocouple to regulate its temperature. 
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metrology
metrology
[noun]

the scientific study of measurement, including the development of measurement standards and techniques

Ex: Metrology laboratories test and certify measuring instruments. 
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calorimetry

the scientific measurement of heat exchange in chemical or physical processes

Ex: Calorimetry measures the heat released or absorbed during a chemical reaction. 
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gravimetry

the measurement of variations in gravitational fields to understand the Earth's structure and properties

Ex: Scientists use gravimetry to study the movement of tectonic plates. 
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luminance unit

a measure of the brightness of a light source as perceived by the human eye

Ex: The luminance unit measures the brightness of a television screen. 
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densitometry

the process of measuring how dense something is by assessing how much light it absorbs or transmits

Ex: Densitometry revealed the concentration of pollutants in the river water. 
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