Ellipse
A slightly flattened circle
Abstract noun
A noun that names something you cannot touch (in simple terms)
Two birds with one stone
To complete two or more tasks in an easier way that results in less effort used.
Plethora
Big amount of; abundance
Et Cetera
And so on
Hypotenuse
The longest side of a right triangle, found by the Pythagorean theorem
Prefix
A word that goes before a word to change its meaning (anti, ultra, hypo, etc.)
Turn the tide
To turn around an adverse situation
Cobbler
Someone who makes or repairs shoes
Vice versa
The other way around
The branch of mathematics that substitutes letters for numbers
Algebra
Infinitive
The base form of a verb (bendratis)
Bend over backward
To please or accommodate someone with lots of effort
Fallacious
Containing or based on incorrect reasoning
Per capita
Per person
Shape with 10 sides
Decagon
Article
A type of word used before a noun: a, an, the, etc.
Bite the bullet
To decide to do something unpleasant; uncomfortable
Philanthropic
Of or relating to charitable giving
Ergo
Therefore, hence
PEMDAS
An acronym used to help people remember order of operations (bonus 200 points if you can say what the letters stand for)
Irony
When the readers have important knowledge that the characters do not
A present that is horrible but you cannot refuse
A very expensive present that costs you much money to maintan
Ostracism
the act of excluding someone from society by general consent
Verbatim
Repeat exactly as said