Measurement

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

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

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

The circuit was designed to handle a maximum current of 10 amperes to ensure safety.

a scientific instrument used to measure air pressure

Barometer readings are a useful indicator of how weather might differ at higher elevations compared to sea level.

the unit of measurement for the proportion of gold in an alloy; 18-karat gold is 75% gold; 24-karat gold is pure gold

a person's speed when walking, moving, or running

The runner maintained a steady pace throughout the marathon, ensuring they did not tire out too quickly.

the total length of the external boundary of something

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

a measure equal to 16 fluid ounces, often used for measuring liquids such as beer or milk

I'll have a pint of beer, please.

the smallest unit of an image on the screen that collectively can form a whole image

a unit of volume measurement the United States for liquids, equal to 32 fluid ounces or approximately 946 milliliters

A quart is a unit of volume equal to 32 fluid ounces or approximately 0.946 liters.

a tool designed to measure the temperature of the surrounding air or environment

The meteorologist placed the thermometer in the shaded shelter to get an accurate air temperature reading.