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to square

to square

34 3.3
Multiply a number by itself
  • verb
  • /skwɛr/
translation icon : elevar al cuadrado
  • To find the area of a square, you need to square the length of one side.

Can you, can you square that in your head?

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Examples

  • So then, A squared plus B squared equals C squared.

  • So now let's go ahead and square both sides.

  • And then to find C, you simply square both of these guys.

  • We spent the next several minutes discussing the difference between three squared and two times three.

    Academic text (1995)
  • So we want to go ahead and square sine of X.

  • Square the radius.

  • BMI was defined as weight in kilograms divided by height in meters squared.

    Academic text (2011)
  • Early on in her math instruction, Sara had internalized the rule that "squared" and "two times" anything were interchangeable.

    Academic text (1995)
  • In geometry class, we learned how to square a number by multiplying it by itself.

  • When solving the equation, make sure to square both sides to eliminate the square root.

Idioms

fair and square
  • Informal
34 3.3

In a just and honest way that follows the rules

square one
  • Informal
28 4.1

The place where you start again after something goes wrong

12 4.3

To start again after a failure

at square one
  • Informal
5 4.9

You must start again at the beginning after a failure

To stand or sit with shoulders pulled back to show confidence before something difficult

A person who does not fit into a job or group

square on
  • Informal
1 6.5

Being completely honest, direct, and fully committed to something

Words people say to announce a correct answer or a win

Phrasal Verbs

18 3.6

To make something tidy and ready to use

To reach an agreement to end a disagreement

to square up
  • Informal
3 4.7

Pay someone what you owe or agree to end a disagreement

to square with
  • Informal
3 6.7

To pay someone all the money you owe them

1 4.1

Make the edges and corners even and straight

To be honest and clear about what you must do

Stay perfectly straight when on a wall or ceiling

Make sure accounts have no debt or extra money

Compounds

133 1.4

A measure of area equal to a square one foot on each side used for rooms and land

84 1.9

An area equal to a square with sides one mile long

53 2.7

A busy part of Manhattan with bright lights, theaters, and New Year's Eve celebrations

22 1.4

A measure of area equal to a square one inch on each side

15 2.6

An area equal to a square one kilometer on each side

square root
  • Specialized
11 3.4

A number that when multiplied by itself gives a given number

10 1.0

The area of a square one meter on each side

7 3.4

A unit that measures pressure equal to one pound of force on one square inch

An open area in a town or city where people meet and events happen

public square
  • Texting
5 4.0

An online place where people meet to discuss public issues and share ideas

4 2.2

A full, filling meal that gives enough energy and nutrition

3 3.3

A country dance with four couples in a square led by a caller

3 5.3

Having a wide jaw that makes the face look square

3 3.2

A country dance for four couples who face each other and follow a caller

3 1.8

A unit of area equal to a square one yard on each side

2 3.7

Fair and honest treatment of people in a situation or agreement

An open area in a town where people sell food and goods

square centimeter
  • Specialized
1 2.2

An area equal to a square one centimeter on each side

square knot
  • Specialized
1 3.9

A knot used to join two ends of rope or cord by tying two opposite small knots

Having four equal sides and four corners

1 6.7

A tool with a long straight edge and a T-shaped top used to draw straight or parallel lines

1 1.6

A solid piece shaped like a cube that is as long as it is wide and tall

A very small area equal to a square one millimeter on each side

1 6.4

A square puzzle where the same words read across and down

magic square
  • Specialized
1 7.2

A square grid of numbers whose rows, columns, and main diagonals add to the same total

A sign like [ or ] used to show words added in text

square sail
  • Archaic
1 8.5

A four-sided piece of cloth hung on a bar across a ship's mast to catch the wind

square-rigged
  • Specialized
1 8.4

Having square sails set across the masts as the main sails

square-rigger
  • Specialized
1 9.9

A ship with large square sails hung on horizontal bars across the masts

bevel square
  • Specialized
8.2

A hand tool with two arms joined at one end to measure or mark angled lines

A large flat L-shaped metal tool carpenters use to measure and mark right angles

chi-square statistic
  • Specialized
6.8

A number that shows if the data you see differ from what you expect

A person honored for great bravery who leads troops and carries a square banner

Latin square
  • Specialized
9.1

A square grid filled with different symbols so each symbol appears once in each row and column

A large filling meal that gives you energy

A large open place in central London with a monument to Nelson and big lion statues

try square
  • Specialized
6.2

A metal tool with a ruler and handle for checking right angles in wood or metal

3.9

A tool to draw and check right angles

square capitals
  • Specialized
9.2

A Roman style of writing using upright block capital letters often carved on stone

3.4

A person who dances with three other couples standing in a square

square matrix
  • Specialized
3.7

A table of numbers with the same number of rows and columns

square fathom
  • Archaic
9.1

An area the size of a square six feet on each side

square flipper
  • Archaic
9.9

A medium-sized Arctic seal with whiskers on each side of its nose, also called the bearded seal

A unit for area like a square meter or square foot

square pyramid
  • Specialized
5.3

A solid shape with a square base and four triangular faces that meet at a top point

square nut
  • Specialized
4.2

A small metal piece with four flat sides that fits on a bolt to hold things together

9.9

Repeated marching drills that soldiers do during basic training

A person or animal with a broad, strong body and a sturdy look

Music played to accompany square dancing, often with lively fiddle or banjo rhythms

square shooter
  • Informal
4.6

A person who is honest and tells the truth

square toes
  • Archaic
9.6

A person with very old-fashioned and strict ideas about how people should behave

A shoe with a front that is flat and straight across

Surface Forms

square infinitive
squared past
squared past participle
squaring present participle
squares third person singular

Etymology

To square a number comes from making a geometric square from a side length, because area is 'side times side', so to square is to multiply a number by itself.