கணித அகராதி — Tamil & English
Tamil–English Math Glossary
75 mathematical terms with Tamil translations, definitions, and examples. Search by letter, category, or keyword.
75 terms
The operation of combining two or more numbers to get a total.
Finding the difference between two numbers.
Repeated addition; finding the product of two or more numbers.
Splitting a number into equal parts; the inverse of multiplication.
A number divisible by 2 with no remainder.
A number that is not divisible by 2.
A number greater than 1 that has exactly two factors: 1 and itself.
A number greater than 1 that has more than two factors.
A number that divides another number exactly without a remainder.
The result of multiplying a number by any whole number.
The smallest multiple that two or more numbers share.
The largest factor that two or more numbers share.
A number that represents part of a whole, written as numerator/denominator.
The top number in a fraction — how many parts are taken.
The bottom number in a fraction — how many equal parts the whole is divided into.
A number with a decimal point, representing a fraction of 10, 100, etc.
A fraction expressed as parts per 100, denoted by %.
A comparison of two quantities of the same kind.
Any whole number — positive, negative, or zero. No fractions.
Positive whole numbers used for counting.
Natural numbers including zero.
The result of multiplying a number by itself.
The result of multiplying a number by itself three times.
A number which, when multiplied by itself, gives the original number.
A letter used to represent an unknown or changing value.
A fixed value that does not change.
A combination of numbers, variables, and operations (no equals sign).
A mathematical statement showing two expressions are equal.
The numerical factor multiplied by a variable.
A single number, variable, or product of numbers and variables.
An expression with multiple terms involving variables raised to powers.
An equation where the highest power of the variable is 1.
An equation where the highest power of the variable is 2.
The value(s) of the variable that make an equation true.
An equation true for all values of the variable(s).
An exact location in space with no size.
A straight path extending infinitely in both directions.
Part of a line with two endpoints.
Part of a line with one endpoint, extending infinitely in one direction.
The figure formed by two rays sharing a common endpoint.
An angle less than 90°.
An angle exactly equal to 90°, marked with a small square.
An angle greater than 90° but less than 180°.
A polygon with three sides and three angles. Angle sum = 180°.
A polygon with four sides and four angles. Angle sum = 360°.
A closed curve where all points are equidistant from the centre.
The distance from the centre of a circle to any point on its circumference.
A chord passing through the centre of a circle. Diameter = 2 × radius.
The perimeter of a circle. C = 2πr.
The total distance around the boundary of a 2D shape.
Lines in the same plane that never meet — always the same distance apart.
Two lines meeting at exactly 90°.
A shape has symmetry if one half is the mirror image of the other.
Shapes that are identical in size and shape — can be superimposed.
Same shape but different size — corresponding angles equal, sides in proportion.
The amount of 2D space inside a shape. Measured in cm², m², etc.
The amount of 3D space a solid occupies. Measured in cm³, m³, etc.
The total area of all outer faces of a 3D shape.
The area of the side faces only, excluding the top and bottom.
The sum of all values divided by the count of values.
The middle value when data is arranged in order.
The value that occurs most often in a dataset.
The difference between the highest and lowest values.
How many times a value appears in a dataset.
A collection of facts, numbers, or observations gathered for analysis.
A bar graph where bars represent grouped/continuous data frequency.
A chart using rectangular bars to show frequency or comparison of categories.
A circular chart divided into sectors proportional to the data values.
A mathematical statement that has been proven to be true.
A logical argument demonstrating that a statement is true.
A statement accepted as true without proof — a starting assumption.
The ratio of a circle's circumference to its diameter ≈ 3.14159…
A concept meaning without end or bound — not a real number.
An approximate answer, not the exact calculation.
A value close to the exact value, often used for easier calculation.
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Why a Tamil math glossary?
Many Tamil-medium students encounter English math terms in textbooks without knowing their Tamil equivalents — or vice versa. This glossary bridges that gap so students can understand their textbook in any language and feel confident in class.
தமிழில் படிக்கும் மாணவர்களுக்கு ஆங்கில கணித வார்த்தைகள் புரியவும், ஆங்கிலத்தில் படிக்கும் மாணவர்களுக்கு தமிழ் சொற்கள் தெரியவும் இந்த அகராதி உதவுகிறது.