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Advanced Words Needed for TOEFL - Mathematics and Measurement
Here you will learn some English words about mathematics and measurement, such as "amp", "hertz", "horsepower", etc. that are needed for the TOEFL exam.
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watt
[noun]
the standard unit for measuring electrical power corresponding to the rate of energy consumption in an electric circuit, equal to one joule per second
volt
[noun]
the standard unit of electromotive force, which measures the strength of an electrical current that is sent around an electrical system
c
[noun]
a metric unit of measurement used to determine the temperature of a place or thing based on which water boils at 100° and freezes at 0° under standard conditions
fluid ounce
[noun]
a unit to measure liquids which is equal to 0.028 liters in the measurement used in the UK and some other countries, and 0.03 liters in that of the US
pint
[noun]
a unit to measure liquids and some dry goods, there are 8 pints in a gallon, and it is equal to 0.568 of a liter in the United Kingdom and some other countries, and 0.473 of a liter in the United States
variable
[noun]
(mathematics) a quantity that is capable of assuming different values in a calculation
tape measure
[noun]
a long, thin piece of plastic, cloth, or flexible metal marked at graded intervals, used for measuring the length or height of something
array
[noun]
a group of numbers, mathematical symbols or values, arranged in columns and rows
denominator
[noun]
the number below the line in a fraction that shows how many parts the numerator divides into
common denominator
[noun]
(mathematics) a number divisible by all the numbers that are below the line in a set of fractions
chaos theory
[noun]
(mathematics) an interdisciplinary theory about complex systems that obey particular laws but appear to have little or no order
game theory
[noun]
a branch of mathematics that studies the strategies of dealing with competitive situations involving conflict of interests, especially in business, war, etc.
gradient
[noun]
the rate at which a quantity or dimension changes over a given distance or interval
prime number
[noun]
a number greater than 1 with only two devisors which can be itself or 1
mean
[noun]
(mathematics) the average value of a set of quantities calculated by adding them, and dividing them by the total number of the quantities
tangent
[noun]
(mathematics) the ratio of the opposite to the adjacent side of a triangle that has one angle of 90°
sine
[noun]
(mathematics) the ratio of the length of the side opposite the given angle to the length of the hypotenuse
cotangent
[noun]
the ratio of the side adjacent to a particular acute angle to the side opposite the angle, in a right-angled triangle
foot per second
[noun]
a unit of measurement used to determine the speed or velocity of something
ampere
[noun]
the unit of electric current, symbolized as "A" in the International System of Units (SI)
kilometers per hour
[noun]
a unit of measurement used to express speed or velocity in the metric system, representing the distance traveled in kilometers over the course of one hour
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