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diameter
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radius
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ratio
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decimal
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equation
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subtraction
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formula
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function
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factor
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dividend
11-
divisor
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mathematical
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minimal
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numerical
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countless
16-
endless
17-
infinite
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ordinal
19-
bracket
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segment
21-
solid
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to express
23-
to total
24-
metric system
25-
barrel
26-
hectare
27-
horsepower
28-
pace
29-
pint
30-
proof
31-
quart
32-
score
33-
miles per hour
34-
value
35-
variable
diameter
diameter
名詞
d
d
ia
aɪæ
m
m
e
ə
t
t
e
ɜ
r
r
(ダイアメーター)

(ダイアメーター)

直径

a straight line from one side of a round object, particularly a circle, passing through the center and joining the other side

example
Click on words
The diameter of a circle is the longest distance between any two points on its circumference, passing through the center.
To calculate the circumference of a circle, you need to know its diameter and use the formula π × diameter.
radius
radius
名詞
r
r
a
d
d
iu
s
s
(半径 (はんけい))

(半径 (はんけい))

半径 (はんけい)

the length of a straight line drawn from the center of a circle to any point on its outer boundary

ratio
名詞
r
r
a
t
ʃ
io
ioʊ
(割合)

(割合)

比率

the relation between two amounts indicating how much larger one value is than the other

decimal
名詞
d
d
e
ɛ
c
s
i
ə
m
m
a
ə
l
l
(デシマル)

(デシマル)

小数 (しょうすう)

(mathematics) a number less than one, called a fraction, that is represented as a period followed by the number of tenths, hundredths, etc.

equation
名詞
e
ɪ
q
k
u
w
a
t
i
o
n
n
(等式)

(等式)

方程式

(mathematics) a statement indicating the equality between two values

subtraction
subtraction
名詞
s
s
u
ə
b
b
t
t
r
r
a
æ
c
k
t
ʃ
io
ə
n
n
(減算 (げんざん))

(減算 (げんざん))

引き算 (ひきざん)

the process or act of taking away one number from another

addition
formula
名詞
f
f
o
ɔ
r
r
m
m
u
j
ə
l
l
a
ə
(公式)

(公式)

数式

(mathematics) a rule or law represented in symbols, letters, or numbers

function
名詞
f
f
u
ə
n
n
c
k
t
ʃ
io
ə
n
n
(ファンクション)

(ファンクション)

関数

(mathematics) a quantity whose value changes according to another quantity's varying value

factor
名詞
f
f
a
æ
c
k
t
t
o
ɜ
r
r
(要因 (よういん))

(要因 (よういん))

因数 (いんすう)

(mathematics) one of the numbers that another number can be divided by

dividend
名詞
d
d
i
ɪ
v
v
i
ɪ
d
d
e
ɛ
n
n
d
d
(割られる数 (わられるかず))

(割られる数 (わられるかず))

被除数 (ひじょすう)

(mathematics) the number to be divided in a division problem

divisor
名詞
d
d
i
ɪ
v
v
i
s
z
o
ɜ
r
r
(除数)

(除数)

割り算の約数

(mathematics) the number that divides another number in a division problem

mathematical
形容詞
m
m
a
æ
th
θ
e
ə
m
m
a
æ
t
t
i
ɪ
c
k
a
ə
l
l
(数学に関する)

(数学に関する)

数学的な

related to or used in mathematics

minimal
minimal
形容詞
m
m
i
ɪ
n
n
i
ə
m
m
a
ə
l
l
(ミニマルな)

(ミニマルな)

最小限の

very small in amount or degree, often the smallest possible

maximal
numerical
形容詞
n
n
u
u
m
m
e
ɛ
r
r
i
ə
c
k
a
ə
l
l
(数的な)

(数的な)

数値の

represented in numbers

countless
countless
形容詞
c
k
o
a
u
ʊ
n
n
t
t
l
l
e
ə
ss
s
(数え切れない)

(数え切れない)

無数の

so numerous that it cannot be easily counted or quantified

endless
endless
形容詞
e
ɛ
n
n
d
d
l
l
e
ə
ss
s
(無限の)

(無限の)

終わりのない

very great in number, amount, or size and seeming to be without end or limit

infinite
形容詞
i
ɪ
n
n
f
f
i
ə
n
n
i
ə
t
t
e
(無限大の)

(無限大の)

無限の

(of a math sequence) having the ability to be continued forever

ordinal
名詞
o
ɔ:
r
r
d
d
i
ɪ
n
n
a
ə
l
l
(序数詞)

(序数詞)

序数

a number that indicates the position of something in a sequence, such as third, second, etc.

bracket
bracket
名詞
b
b
r
r
a
æ
ck
k
e
ɪ
t
t
(角括弧(かくかっこ))

(角括弧(かくかっこ))

ブラケット

each of the two symbols [ ] used to indicate that the enclosed numbers or words should be considered separately

What is a "bracket"?

A bracket [ ] is a punctuation mark used in writing to enclose information that clarifies or adds context to a statement. Brackets often indicate modifications or explanations made by someone other than the original author, such as when adding a word for clarity within a quote. In academic writing, they can denote editorial notes or citations. Brackets are also used in mathematics and programming to indicate arrays or lists. They serve to organize information and help readers understand the relationship between different elements in a text.

segment
名詞
s
s
e
ɛ
g
g
m
m
e
ə
n
n
t
t
(円弧部分)

(円弧部分)

弓形

(geometry) a part of a circle that is separated from the rest by a line

solid
solid
名詞
s
s
o
ɑ
l
l
i
ɪ
d
d
(ソリッド)

(ソリッド)

立体 (りったい)

(geometry) a shape that is not two-dimensional because it has height, width, and length

to express
動詞
e
ɪ
x
ks
p
p
r
r
e
ɛ
ss
s
(示す)

(示す)

表現する

(mathematics) to indicate something by a formula, symbol, etc.

文法情報:

他動詞
to total
to total
動詞
t
t
o
t
t
a
ə
l
l
(トータルする)

(トータルする)

合計する

to add up numbers or quantities to find the overall amount

文法情報:

他動詞
metric system
名詞
uk flag
/mˈɛtɹɪk sˈɪstəm/
(メートル制)

(メートル制)

メートル法

a standard of measurement that is based on the kilogram, the meter, and the liter

What is the "metric system"?

The metric system is an international system of measurement based on units of ten. It includes standardized units for length, which is meter, for mass, which is gram, for volume, which is liter, for temperature, which is Celsius, and other physical quantities. The metric system provides a simple and consistent framework for measuring and comparing quantities across different contexts and disciplines. It is widely used around the world in scientific research, engineering, industry, commerce, and everyday life.

文法情報:

複合名詞
barrel
名詞
b
b
a
æ
rr
r
e
ə
l
l
(樽)

(樽)

バレル

a unit for measuring oil and beer that equals 42 US gallons or 35 imperial gallons for oil and 36 imperial gallons for beer

hectare
名詞
h
h
e
ɛ
c
k
t
t
a
ɑ
r
r
e
(ヘクタール(面積の単位))

(ヘクタール(面積の単位))

ヘクタール

a land measurement unit that equals 10000 square meters or 2471 acres

horsepower
名詞
h
h
o
ɔ
r
r
s
s
e
p
p
o
a
w
ʊ
e
ɜ
r
r
(ホースパワー)

(ホースパワー)

馬力

a unit for measuring an engine's power

pace
名詞
p
p
a
c
s
e
(歩幅)

(歩幅)

ペース

a measure of length that equals the distance traveled between two steps during a walk

pint
pint
名詞
p
p
i
n
n
t
t
(パイントサイズの飲み物)

(パイントサイズの飲み物)

パイント

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.

proof
名詞
p
p
r
r
oo
u
f
f
(アローザ(アルコール度数))

(アローザ(アルコール度数))

プルーフ

a scale for measuring the strength of alcoholic beverages

What is "proof"?

Proof refers to a unit of measurement indicating the alcoholic strength of a beverage, particularly distilled spirits like whiskey, vodka, rum, and gin. In the United States, proof is defined as twice the percentage of alcohol by volume (ABV). For example, a beverage with 40% ABV would be considered 80 proof. Historically, the term "proof" originated in the United Kingdom, where it showed the alcohol content of spirits in relation to the amount of gunpowder that could still catch fire when soaked in the spirit. Today, it serves as a standard measure of alcohol strength, with 100 proof being typical for many spirits.

quart
名詞
q
k
u
w
a
ɔ
r
r
t
t
(クォート(液量単位))

(クォート(液量単位))

クォート

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

What is "quart"?

A quart is a unit of volume measurement commonly used in the United States to measure liquids. It is abbreviated as "qt." In the US customary system, one liquid quart is equal to 32 fluid ounces or approximately 946.353 milliliters. Quarts are commonly used to measure larger volumes of liquids such as milk, water, juice, and other beverages.

score
名詞
s
s
c
k
o
ɔ
r
r
e
(二十)

(二十)

スコア

a set or group of twenty or approximately twenty people or things

miles per hour
名詞
uk flag
/mˈaɪlz pɜːɹ ˈaɪʊɹ/
(マイル/時 (miles/hour))

(マイル/時 (miles/hour))

マイル毎時 (mph)

the distance traveled in miles in relation to the time passed when doing so

文法情報:

複合名詞
value
名詞
v
v
a
æ
l
l
u
ju
e
(数値)

(数値)

(mathematics) an amount that is shown by a sign or letter

variable
名詞
v
v
a
ɛ
r
r
ia
b
b
ə
l
l
e
(可変量)

(可変量)

変数

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

おめでとうございます! !

35 から Lesson 64 語を学びました。学習と語彙の復習を改善するために、練習を始めましょう!

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