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karat
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horsepower
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pint
4-
variable
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tape measure
6-
axis
7-
calculus
8-
chaos theory
9-
game theory
10-
gradient
11-
irrational number
12-
rational number
13-
mean
14-
perimeter
15-
tangent
16-
ampere
17-
kilometers per hour
18-
centiliter
19-
degree Celsius
20-
pound
karat
karat
Podstatné jméno
k
k
a
ɛ
r
r
a
ə
t
t
(karat)

(karat)

karát

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

example
Příklad
Click on words
The jeweler confirmed that the necklace was made of 18 karat gold, which is 75% pure gold mixed with other metals for added strength.
Heirloom pieces often contain 22 karat gold, which has a higher purity level and a richer yellow hue compared to lower karat values.
What is a "karat"?

A karat is a unit of measurement used to denote the purity of gold, with one karat being equal to 1/24th of the whole. Therefore, 24-karat gold is considered to be pure gold. The higher the karat number, the higher the percentage of gold in the item. For example, 18-karat gold contains 75% gold, while 14-karat gold contains 58.3% gold. Karat is also used as a term to describe the weight of gemstones, with one karat equal to 0.2 grams. The term "carat" is sometimes used interchangeably with "karat," but carat is generally used to describe the weight of diamonds and other gemstones, while karat is used to describe the purity of gold.

horsepower
Podstatné jméno
h
h
o
ɔ
r
r
s
s
e
p
p
o
a
w
ʊ
e
ɜ
r
r
(hp (koňská síla))

(hp (koňská síla))

koňská síla

a unit for measuring an engine's power

pint
pint
Podstatné jméno
p
p
i
n
n
t
t
(pint)

(pint)

pinta

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

What is "pint"?

A pint is a unit of volume measurement commonly used in the United States to measure liquids. It is abbreviated as "pt." In the US customary system, one liquid pint is equal to 16 fluid ounces or approximately 473.176 milliliters. Pints are commonly used to measure beverages such as milk, beer, and cider, as well as other liquids like soup or sauce. They are also used as a standard serving size in many bars and restaurants for certain drinks, such as draft beer or cocktails.

variable
Podstatné jméno
v
v
a
ɛ
r
r
ia
b
b
ə
l
l
e
(varabil)

(varabil)

proměnná

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

tape measure
tape measure
Podstatné jméno
uk flag
/tˈeɪp mˈɛʒɚ/
(změrka)

(změrka)

pohybová míra

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

Gramatické Informace:

Složené Podstatné Jméno
axis
Podstatné jméno
a
æ
x
ks
i
ə
s
s
(os)

(os)

osa

a real or imaginary line about which an object rotates

calculus
calculus
Podstatné jméno
c
k
a
æ
l
l
c
k
u
j
ə
l
l
u
ə
s
s
(analýza)

(analýza)

kalkulus

the branch of mathematics that comprises differentials and integrals

What is "calculus"?

Calculus is a branch of mathematics that deals with change and motion, focusing on concepts like limits, derivatives, and integrals. It helps to understand how things change over time or how they accumulate, such as in physics or economics. Calculus is essential for solving problems involving rates of change, areas under curves, and optimization.

chaos theory
Podstatné jméno
uk flag
/kˈeɪɑːs θˈiəɹi/
(chaotická teorie)

(chaotická teorie)

teorie chaosu

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

Gramatické Informace:

Složené Podstatné Jméno
game theory
Podstatné jméno
uk flag
/ɡˈeɪm θˈiəɹi/
(herní teorie)

(herní teorie)

teorie her

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

Gramatické Informace:

Složené Podstatné Jméno
gradient
Podstatné jméno
g
g
r
r
a
d
d
ie
n
n
t
t
(sklon)

(sklon)

gradient

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

irrational number
Podstatné jméno
uk flag
/ɪɹˈæʃənəl nˈʌmbɚ/
(neracionální číslo)

(neracionální číslo)

irracionální číslo

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

rational number
Podstatné jméno
uk flag
/ɹˈæʃənəl nˈʌmbɚ/
(zlomkové číslo)

(zlomkové číslo)

racionální číslo

a number that can be written as a fraction, where both the top and bottom are whole numbers, and the bottom is not zero

mean
mean
Podstatné jméno
m
m
ea
i
n
n
(střední hodnota)

(střední hodnota)

průměr

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

perimeter
perimeter
Podstatné jméno
p
p
e
ɜ
r
r
i
ɪ
m
m
e
ə
t
t
e
ɜ
r
r
(perimetr)

(perimetr)

obvod

the total length of the external boundary of something

tangent
Podstatné jméno
t
t
a
æ
n
n
g
ʤ
e
ə
n
n
t
t
(tangens)

(tangens)

tangenta

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

ampere
Podstatné jméno
a
æ
m
m
p
p
e
ɜ
r
r
e
(ampere)

(ampere)

ampér

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

kilometers per hour
Podstatné jméno
uk flag
/kɪlˈɑːmɪɾɚz pɜːɹ ˈaɪʊɹ/
(kilometrů za hodinu)

(kilometrů za hodinu)

kilometry za hodinu

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

centiliter
Podstatné jméno
c
s
e
ɛ
n
n
t
t
i
ɪ
l
l
i
ɪ
t
t
e
ə
r
r
(centilitr)

(centilitr)

centiliter

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

degree Celsius
degree Celsius
Podstatné jméno
uk flag
/dɪɡɹˈiː sˈɛlsɪəs/
(Celsiusovy stupně)

(Celsiusovy stupně)

stupně Celsia

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

What is "degree Celsius"?

A degree Celsius "°C" is a unit of temperature measurement in the metric system. It is used to measure temperature on the Celsius scale, which is based on the freezing point of water, 0°C, and the boiling point of water, 100°C, at standard atmospheric pressure. In the Celsius scale, the interval between the freezing and boiling points of water is divided into 100 equal parts, called degrees Celsius. The Celsius scale is commonly used in scientific research, meteorology, and everyday life for expressing temperatures in many countries around the world.

Gramatické Informace:

Složené Podstatné Jméno
pound
pound
Podstatné jméno
p
p
o
a
u
ʊ
n
n
d
d
(váha)

(váha)

libra

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

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