アカデミック IELTS の「幾何学」の単語

cylinder

名詞

c

s

y

ɪ

l

i

ə

n

d

e

ɜ

r

閉じる

サインイン

(シリンダー)

円柱

(geometry) a solid or hollow shape with two circular bases at each end and straight parallel sides

sphere

名詞

s

ph

f

e

ɪ

r

e

(スフィア)

球

(geometry) a round object that every point on its surface has the same distance from its center

hexagon

名詞

h

e

ɛ

x

ks

a

ə

g

o

ɑ

n

(ヘキサゴン)

六角形

(geometry) a closed shape with six straight sides and six angles

cone

名詞

c

k

o

oʊ

n

e

(コーン)

円錐（えんすい）

(geometry) a three dimensional shape with a circular base that rises to a single point

tangent

名詞

t

a

æ

n

g

ʤ

e

ə

n

t

(タンジェント)

接線

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

isosceles triangle

名詞

/aɪsˈɑːsəlˌiːz tɹˈaɪæŋɡəl/

(等脚三角形)

二等辺三角形

a type of triangle that has two sides of equal length and two angles of equal measure

文法情報:

複合名詞

octagon

名詞

o

ɑ

c

k

t

a

ə

g

o

ɑ

n

(オクタゴン)

八角形

(geometry) a polygon consisting of eight straight sides and eight angles

swirl

名詞

s

w

i

ɜ

r

l

(渦巻き)

うねり

in geometry, a pattern or shape that exhibits a twisting or spiraling motion, often characterized by continuous, curved lines forming a rotational or helical design

vertex

名詞

v

e

ɜ

r

t

e

ɛ

x

ks

(隅点 (すみてん))

頂点 (ちょうてん)

a point where two or more lines, edges, or rays meet to form an angle, or the point at which the sides of a polygon intersect

polygon

名詞

p

o

ɑ

l

y

ɪ

g

o

ɑ

n

(多角形)

ポリゴン

(geometry) a flat shape consisting of three or more straight sides

pentagon

名詞

p

e

ɛ

n

t

a

ɪ

g

o

ɑ

n

(ペンタゴン)

五角形

a geometric shape with five angles and five straight sides

decagon

名詞

d

e

i

c

k

a

æ

g

o

ɑ:

n

(デカゴン)

十角形

(geometry) a flat polygon with ten straight sides and ten angles

heptagon

名詞

h

e

ɛ

p

t

a

ə

g

o

ɑ:

n

(ヘプタゴン)

七角形

a seven-sided plane shape consisting of seven line segments or edges that meet at seven interior angles

ellipsoid

名詞

e

ɪ

ll

l

i

ɪ

p

s

oi

ɔɪ

d

(エリプソイド)

楕円体

a three-dimensional shape similar to a stretched or compressed sphere

spheroid

名詞

s

ph

f

e

ɪ

r

oi

ɔɪ

d

(球形体 (きゅうけいたい))

扁球体 (へんきゅうたい)

(geometry) a round 3D shape like a ball that is slightly flattened at the top and bottom points

polyhedron

名詞

p

o

ɑ

l

y

i

h

e

i

d

r

o

ə

n

(ポリヘドロン)

多面体

a solid shape made of flat sides that fit together along their edges

oblique angle

名詞

/əblˈiːk ˈæŋɡəl/

(鋭角または鈍角)

斜角

an angle that measures either less or more that 90 degrees

right angle

文法情報:

複合名詞

diameter

名詞

d

ia

aɪæ

m

e

ə

t

e

ɜ

r

(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

circumference

名詞

c

s

i

ɜ

r

c

k

u

ə

m

f

e

r

e

ə

n

c

s

e

(円周（えんしゅう）)

周囲（しゅうい）

(geometry) the length of the external boundary of a curved shape, especially a circle

radius

名詞

r

a

eɪ

d

iu

iə

s

(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

おめでとうございます！ !

20 から Talking about Geometry 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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