altimeter
/æɫˈtɪmətɝ/
noun
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 to see how high the plane was."
"An altimeter is an instrument that measures altitude above a fixed reference point"
ampere
/ˈæmˌpɝ/
noun
the unit of electric current, symbolized as "A" in the International System of Units
"One ampere is a unit of electric current."
"The electrical circuit carries a current of fifteen amperes which is enough to power several appliances."
barometer
/bɝˈɑmɪtɝ/
noun
a scientific instrument used to measure air pressure
"The barometer shows that the air pressure is falling fast."
"A barometer is a scientific instrument measuring atmospheric pressure"
carat
/ˈkɛɹət/
noun
a unit of weight used for measuring gemstones and pearls, equal to 200 milligrams or 0.2 grams
"The diamond was over two carats in weight and very expensive."
"A carat is a unit of mass for precious stones equal to exactly two hundred milligrams"
perimeter
/pɝˈɪmətɝ/
noun
the total length of the external boundary of something
"The guards walked along the perimeter of the army base."
"A perimeter is the continuous boundary line enclosing a defined area"
pint
/ˈpaɪnt/
noun
a measure equal to 16 fluid ounces, often used for measuring liquids such as beer or milk
"He ordered a pint of cold beer at the old pub."
"A pint is an imperial unit of volume equal to approximately 568 milliliters"
pixel
/ˈpɪksəɫ/
noun
the smallest unit of an image on the screen that collectively can form a whole image
"The image was blurry because it had too few pixels."
"A pixel is the smallest addressable element in a digital display"
quart
/ˈkwɔɹt/
noun
a unit of volume measurement the United States for liquids, equal to 32 fluid ounces or approximately 946 milliliters
"A quart equals two pints."
"A quart is a unit of liquid capacity equal to two pints"