Vocabulary for IELTS Academic (Band 5) - Geometry

Here, you will learn some English words related to Geometry that are necessary for the Basic Academic IELTS exam.

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cube [noun]

a three-dimensional figure made of six square or rectangular faces

Ex: The classroom had storage bins shaped like colorful cubes for organizing supplies .

oval [noun]

a shape that is wide in the middle and narrow at both ends

Ex: In geometry , an oval is often described as an ellipse with varying lengths .

diamond [noun]

a shape with four equal, sloping straight sides, forming a point at the top and another at the bottom

Ex: The kite flying in the sky had a beautiful diamond shape .

angle [noun]

the space between two lines or surfaces that are joined, measured in degrees or radians

Ex: The angle between the two roads created a sharp turn that drivers needed to navigate carefully .

line [noun]

a row of people or things behind each other or next to each other

Ex: The soldiers marched in a disciplined line during the parade .

point [noun]

(geometry) an element that only has position, with no size or dimension

Ex: Line segments are formed by connecting points in geometry .

pyramid [noun]

a solid with a polygonal base and triangular faces that meet at a single point

Ex: They studied the properties of a pyramid in geometry class , focusing on its volume and surface area .

surface [noun]

(geometry) any of the two-dimensional faces of a three-dimensional figure

Ex: The surface of the pyramid includes four triangular sides and a square base .

heart [noun]

a shape that consists of two curved lines at the top and a V shape at the bottom

Ex:

circle [noun]

a completely round, plain shape

Ex: The Earth is approximately a sphere , which is like a 3D circle .

square [noun]

a shape with four equal straight sides and four right angles, each measuring 90°

Ex:

arch [noun]

anything with a curved top and parallel sides

Ex:

zigzag [noun]

(geometry) a shape that consists of a line alternating its direction to left and right

semicircle [noun]

any half of a circle

Ex: He drew a semicircle on the board to explain the concept of angles .

spiral [noun]

(geometry) a curved shape or design that gradually winds around a center or axis

Ex: The tornado formed a destructive spiral as it swept across the plains , leaving devastation in its wake .

curve [noun]

a line or shape that is not straight and bends gradually

Ex: In math class , they studied the properties of different types of curves .

disk [noun]

an object that has a flat, round, and circular shape

Ex: The coin was a small , shiny disk with intricate engravings .

hemisphere [noun]

one of the two halves of the Earth, separated by the equator or a meridian

Ex: The equator divides the Earth into two hemispheres .

lobe [noun]

a rounded projection or section forming part of a larger structure

Ex: Ice buildup formed lobes on the edge of the wing .

rectangle [noun]

(geometry) a flat shape with four right angles, especially one with opposing sides that are equal and parallel to each other

Ex: She drew a rectangle on the paper to outline the garden plot .

triangle [noun]

(geometry) a flat shape consisting of three straight sides and three angles

Ex: The roof of the house formed a triangle at the top , providing stability .

acute angle [noun]

an angle that measures between 0 and 90 degrees, which is less than a right angle (90 degrees)

obtuse angle [noun]

an angle that measures more than 90 degrees but less than 180 degrees

Ex: When two lines intersected , they formed two acute angles and two obtuse angles .

right angle [noun]

an angle measuring exactly 90 degrees

Ex: The painter meticulously ensured that the lines on the canvas formed right angles to create a sense of balance in the composition .

straight angle [noun]

an angle that measures exactly 180 degrees, which is the same as a straight line

axis [noun]

a straight line that defines the symmetry or structure of a figure or object

Ex: The designer marked the central axis of the building .

Vocabulary for IELTS Academic (Band 5)
Size and Scale	Dimensions	Weight and Steadiness	Increase in Amount
Decrease in Amount	High Intensity	Low Intensity	Space and Area
Shapes	Speed	Significance	Influence and Strength
Uniqueness	Complexity	Value	Quality
Challenges	Wealth and Success	Poverty and Failure	Appearance
Age	Body Shape	Wellness	Textures
Intelligence	Positive Human Traits	Negative Human Traits	Moral Traits
Emotional Responses	Emotional States	Social Behaviours	Tastes and Smells
Sounds	Temperature	Probability	Relational Actions
Body Language and Gestures	Postures and Positions	Opinions	Thoughts and Decisions
Knowledge and Information	Encouragement and Discouragement	Request and Suggestion	Regret and Sadness
Respect and Approval	Attempt and Prevention	Physical Actions and Reactions	Movements
Commanding and Giving Permissions	Engaging in Verbal Communication	Understanding and Learning	Perceiving The Senses
Resting and Relaxing	Touching and Holding	Eating and Drinking	Preparing Food
Changing and Forming	Organising and Collecting	Creating and Producing	Science
Education	Research	Astronomoy	Physics
Biology	Chemistry	Geology	Psychology
Mathematics	Graphs and Figures	Geometry	Environment
Energy and Power	Landscapes and Geography	Technology	Computer
Internet	Manufacture and Industry	History	Religion
Culture and Custom	Language and Grammar	Arts	Music
Film and Theatre	Literature	Architecture	Marketing
Finance	Management	Medicine	Sickness and Symptoms
Law	Crime	Punishment	Politics
War	Measurement	Positive Emotions	Negative Emotions
Animals	Weather	Food and Drinks	Travel and Tourism
Pollution	Migration	Disasters	Materials
Adverbs of Manner	Adverbs of Comment	Adverbs of Certainty	Adverbs of Frequency
Adverbs of Time	Adverbs of Place	Adverbs of Degree	Adverbs of Emphasis
Adverbs of Purpose and Intention	Conjunctive Adverbs