Math
The thing under the line under the numerator.
What is a denominator?
It's the name for a Netflix reality show about social media, and it also is a shape without any corners.
What is a circle?
Of the primary colors, this is the one humans have the most trouble distinguishing.
What is blue?
It's the little island that looks like it's being kicked by Italy.
What is Sicily?
In addition to being a key player in algebra, it marks the spot.
What is x?
This symbol over a number usually signifies a square root, and it's awesome.
What is a radical?
Trigonometry is the study mostly concerned around this one particular shape; notably found around Bermuda.
What are triangles?
The filaments in computer monitors should've been red, yellow and blue to match primary colors, but to be cheaper, yellow was swapped out with this easier to manufacture color.
What is green?
Surprisingly, this is the longest country name in the world, but you might know it by two letters and its recent exit from the European Union.
What is The United Kingdom Of Great Britain And Northern Ireland?
The roman numeral for 1000.
What is m?
This sounds like a digression or something unrelated, but it partners with sine and cosine, to get you the angle of the opposite and adjacent sides of a right triangle.
What is tangent?
This is the fancy mathematical term for a big donut.
What is a torus?
The M in CMYK.
What is magenta?
120 times smaller than Manhattan, this is the smallest country in the world.
What is Vatican City?
You'd think J, but as Sean Connery once reminded us, in the Latin Alphabet Jehovah begins with this letter.
What is i?
You might think this means unoriginal or imitative of artwork, but this word actually refers to the slope of a tangent line of a function.
What is a derivative?
This is a quadrilateral, but its name comes from the fact that its opposing sides parallel.
What is a parallelogram?
Dogs possess dichromatic vision, meaning they can only process blue and this color.
What is yellow?
The only country that starts with the letter O.
What is Oman?
This letter signifies gravitational force, typically the kind fighter pilots experience.
What is g?
You might think this word means utmost importance, or something you can't do without, but here it refers to the area under a curve.
What is an integral?
A two-dimensional one is a square, a three-dimensional one is a cube, and you can't see this one, but it's the fourth (spatial) dimensional equivalent.
What is a hypercube? (also accepted: tesseract if you're a nerd)
The formal name for a shade of purple that comes from the French word for eggplant.
What is aubergine?
The country India ink came from.
What is China?
Known as Euler's number, you probably learned about this letter with math lessons about compound interest.
What is e?