Vocabular Avansat pentru TOEFL - Matematică și Măsurare

the standard unit for measuring electrical power corresponding to the rate of energy consumption in an electric circuit, equal to one joule per second

watt

the standard unit of electromotive force, which measures the strength of an electrical current that is sent around an electrical system

volt

a unit for measuring the speed of an engine, a computer hard drive, etc.

rpm

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

carat

a unit of volume used in the United States to measure liquids, equal to approximately 29.5735 milliliters

uncie fluidă

a unit that is used in measurement of the frequency of sound and radio waves

hertz

a unit for measuring an engine's power

putere de cal

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

pintă

the number that is the result of a number multiplied by itself three times

cub

the second exponent of any given number produced when multiplied by itself

pătrat

a number that produces a particular number when multiplied by itself

radical pătrat

(mathematics) a quantity that is capable of assuming different values in a calculation

variabilă

a flexible measuring tool consisting of a long strip of metal, cloth, or plastic with measurement markings, used to measure lengths and distances accurately

ruletă

a group of numbers, mathematical symbols or values, arranged in columns and rows

matrice

a real or imaginary line about which an object rotates

ax

the branch of mathematics that comprises differentials and integrals

calcul

the number below the line in a fraction that shows how many parts the numerator divides into

numitor

Fractional number above the line

numărător

(mathematics) a number divisible by all the numbers that are below the line in a set of fractions

numitor comun

(mathematics) an interdisciplinary theory about complex systems that obey particular laws but appear to have little or no order

teoria haosului

a branch of mathematics that studies the strategies of dealing with competitive situations involving conflict of interests, especially in business, war, etc.

teoria jocurilor

any set of numbers that represent an exact position on a map or graph

coordonată

the rate at which a quantity or dimension changes over a given distance or interval

gradient

a number greater than 1 with only two devisors which can be itself or 1

număr prim

a number indicating the quantity and not order

număr cardinal

a number incapable of being expressed as a ratio of two integers

număr irațional

a number that can be expressed as the fraction of two integers

număr rațional

(mathematics) the average value of a set of quantities calculated by adding them, and dividing them by the total number of the quantities

medie

the total length of the external boundary of something

perimetru

(mathematics) the ratio of the opposite to the adjacent side of a triangle that has one angle of 90°

tangente

(mathematics) the ratio of the length of the side opposite the given angle to the length of the hypotenuse

sinus

(mathematics) the ratio of the adjacent side to the hypotenuse

cosinus

the ratio of the side adjacent to a particular acute angle to the side opposite the angle, in a right-angled triangle

cotangentă

a unit of measurement used to determine the speed or velocity of something

picior pe secundă

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

amper

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

kilometri pe oră

a metric unit equal to 1/100th of a liter

centilitru

a temperature scale where 0°C represents the freezing point and 100°C represents the boiling point of water at standard atmospheric pressure

grad Celsius

a unit for measuring weight equal to 16 ounces or 0.454 kilograms

liră