1. Word List: equ- equi-
equal, same

2. equal
having the same measure, quantity, or number

3. equate
to make equal; to make the same in amount

4. equation
a mathematical formula for making different sets of numbers equal;

5. equator
imaginary line dividing the northern and southern hemispheres into equal parts; imaginary line around Earth that is equally distant from the poles

6. equiangular
having all angles equal in size

7. equilateral
having all sides equal in length

8. equinox
one of the two times a year when the day and night are equal in length

9. equivalent
having the same amount; equal in force or value