Are you looking for some math words that start with the letter E? Look no further, you have come to the right place.

In this article, I’m going to embark on a journey into the realm of math words that start with the letter E. From algebraic equations to awe-inspiring angles, these words hold the key to unlocking the beauty and complexity of the numerical world.

So, without any further ado, let’s dive into the captivating world of “Math Words That Start With E” and discover the beauty and relevance of arithmetic in our lives.

**Math Words That Start With E**

The followings are the math words that begin with the letter E (In alphabetical order):

**1. e (Euler’s number):** “e,” also known as Euler’s number, is an irrational number approximately equal to 2.71828. It is a fundamental constant in mathematics and is often used in calculus, especially in the study of exponential functions.

**2. Earned Income:** “Earned income” refers to the money a person receives as compensation for their work, including wages, salaries, tips, and bonuses.

**3. Eccentric:** In geometry, “eccentric” is used to describe a point that is not at the center or focus of a shape or curve.

**4. Eccentricity:** “Eccentricity” is a measure of how elongated or flattened an ellipse is. It is a crucial parameter used to describe the shape of conic sections.

**5. Edge:** An “edge” is a line segment where two faces of a polygon or polyhedron meet.

**6. Elapsed Time:** “Elapsed time” is the duration between the starting and ending times of an event or activity.

**7. Electronic Funds Transfer (EFT):** “Electronic Funds Transfer” (EFT) is a system that allows the electronic transfer of money from one bank account to another.

**8. Element:** In set theory, an “element” refers to an individual item or object that belongs to a set.

**9. Elimination:** In algebra, “elimination” is a method used to solve systems of equations by eliminating one variable.

**10. Ellipse:** An “ellipse” is a closed curve with two distinct foci, where the sum of the distances from any point on the curve to the two foci remains constant.

**11. Ellipsoid:** An “ellipsoid” is a three-dimensional shape resembling a stretched or compressed sphere.

**12. Empty Set:** The “empty set,” denoted by ∅ or {} , is a unique set with no elements.

**13. End Point:** An “end point” is a specific point at either end of a line segment or an interval.

**14. Engineering Notation:** “Engineering notation” is a system of writing numbers using a power of ten and a numerical coefficient, commonly used in engineering and scientific fields.

**15. Enlarge:** In geometry, “enlarge” means to scale up a shape or figure proportionally.

**16. Equal:** “Equal” means having the same value or being identical in quantity or measure.

**17. Equal Groups:** “Equal groups” refer to sets of objects with the same number of items in each group.

**18. Equal Parts:** “Equal parts” divide a whole into equal portions.

**19. Equal Shares:** “Equal shares” represent the equal division of a quantity or amount among a specific number of recipients.

**20. Equal Sign:** The “equal sign” (=) is used to denote equality between two expressions or values.

**21. Equality:** “Equality” is the state of being equal or having the same value or quantity.

**22. Equation:** An “equation” is a mathematical statement that shows that two expressions are equal.

**23. Equation of a Straight Line:** The “equation of a straight line” is expressed as y = mx + b, where m represents the slope and b represents the y-intercept.

**24. Equiangular Triangle:** An “equiangular triangle” is a triangle with three equal angles, each measuring 60 degrees.

**25. Equidistant:** “Equidistant” means being at an equal distance from two or more points.

**26. Equidistant Points:** “Equidistant points” are points that are all at the same distance from a given point or set of points.

**27. Equilateral:** “Equilateral” is used to describe a polygon with all sides of equal length.

**28. Equilateral Triangle:** An “equilateral triangle” is a triangle with three sides of equal length.

**29. Equinox:** An “equinox” occurs twice a year when day and night are of equal length. The two equinoxes mark the beginning of spring and autumn.

**30. Equity:** “Equity” in finance refers to the ownership interest or value in an asset after accounting for any liabilities.

**31. Equivalent:** “Equivalent” means having the same value, quantity, or meaning.

**32. Equivalent Decimals:** “Equivalent decimals” are decimal numbers that represent the same value or quantity.

**33. Equivalent Fractions:** “Equivalent fractions” are fractions that represent the same part-to-whole relationship.

**34. Equivalent Ratios:** “Equivalent ratios” are ratios that express the same comparison of quantities.

**35. Error:** In mathematics, “error” represents the difference between an actual or measured value and the expected or true value.

**36. Estate:** In finance, an “estate” refers to the total net worth of an individual at the time of their death.

**37. Estimate:** An “estimate” is an approximate calculation or guess based on available information.

**38. Estimation:** “Estimation” is the process of making an approximate calculation or judgment based on limited data.

**39. Euclidean Algorithm:** The “Euclidean Algorithm” is a method for finding the greatest common divisor (GCD) of two integers.

**40. Euler’s Formula:** “Euler’s Formula” is a mathematical equation that relates the number of vertices, edges, and faces of a polyhedron.

**41. Evaluate:** In mathematics, “evaluate” means to find the numerical value of an expression or function.

**42. Even Number:** An “even number” is an integer divisible by 2, leaving no remainder.

**43. Event:** In probability, an “event” is a specific outcome or set of outcomes of an experiment or random process.

**44. Expand:** In algebra, “expand” means to simplify an expression by distributing or multiplying out the terms.

**45. Expanded Form:** “Expanded form” represents a number as the sum of its place values.

**46. Expanded Notation:** “Expanded notation” is a way of writing a number as the sum of its place values, including the use of zeros.

**47. Expense:** An “expense” is a cost or spending incurred to generate revenue or achieve a specific goal.

**48. Experiment:** An “experiment” is a controlled procedure used to test a hypothesis or investigate a scientific question.

**49. Exponent:** In a mathematical expression, the “exponent” indicates the number of times a base is multiplied by itself.

**50. Exponential Function:** An “exponential function” is a function in which the independent variable is an exponent.

**51. Exponential Growth:** “Exponential growth” refers to the rapid increase of a quantity or population over time.

**52. Expression:** An “expression” is a combination of numbers, variables, and operations without an equal sign.

**53. Exterior Angle:** An “exterior angle” of a polygon is formed by one side and the extension of an adjacent side.

**54. Exterior Angle Theorem:** The “exterior angle theorem” states that the measure of an exterior angle of a triangle is equal to the sum of the measures of its remote interior angles.

**55. Extraneous Root:** In solving equations, an “extraneous root” is a solution that does not satisfy the original equation.

**56. Extrapolation:** “Extrapolation” is the estimation or prediction of values beyond the range of known data.

**57. Extrema:** In calculus, “extrema” refers to the maximum and minimum values of a function within a given interval.

I hope you found this article “Math Words That Start With E” helpful and informative.

Also, keep in mind that, this isn’t an exhaustive list, if there are any math words starting with the letter E.

Feel free to leave a comment below with the missing math word and I’ll update the list as soon as possible.

And, if you’d like to explore more math words starting with different letters of the alphabet, click the link below:

- Math Words That Start With F
- Math Words That Start With G
- Math Words That Start With H
- Math Words That Start With I