Words and Phrases

Academic Language Version

Everyday Language Meaning

Other Forms of the Word or Phrase

Related Words or Phrases

Translation

Examples of word use with students

Construct

To create new elements with previously measured or constructed elements.

To build; to assemble. 

To put something together.

Constructing Constructed Constructs

Build

Make

Create

Form

To put together

*Construir (SP)

*Construire (FR)

*Construir (PT)

Perpendicular

Intersecting at or forming right angles

A line or plane that intersects another line or plane at a right angle

A line or plane that comes together to form a square angle, a 90-degree angle.

Perpendicularity Perpendicularly

Vertical

Upright

Straight up

*Perpendicular (SP)

*Perpendiculaire (FR)

*Perpendicular (PT)

Parallel

Designating two or more coplanar lines that do not intersect

Having the same tendency or direction.

Being an equal distance apart everywhere.

Never intersecting.

Paralleled Paralleling

Parallels

Parallelogram

Equidistant

In the same direction

*Paralelo(a) (SP)

*Parallèle (FR)

*Paralelo(a) (PT)

Angles

Shape formed by two straight lines or surfaces that meet

a corner; a shape formed by two lines meeting at a point.

Angle

Angled

Angling

Angular

Corner

*Ángulo (SP)

*Angle (FR)

*Ångulo (PT)

Intersection

A point or locus of points where one line, surface, or solid crosses another; set that contains elements shared by two or more sets

A road junction; a place where two or more things come together

Intersecting

intersect

intersected

Crossroads

Junction

Meeting point

*Intersección (SP)

*Intersection (FR)

*Interseção (PT)

Bisector

A figure (line, ray) that divides into two equal parts.

Cuts or splits into two.

Bisect

Bisection

Bisects

Bisectional

Break in two

Cut in half

Split evenly

*Bisectriz (SP)

*Bissectrice (FR)

*Bissetriz (PT)

Midpoint

A point on a line segment that divides it into two equal parts

The halfway point of a line segment

A point at the center or middle.

Midpoints

Center

Middle

Halfway point

Midway

*Punto medio (SP)

*Point médian (FR)

 Ponto central (PT)

Isosceles Triangle

A triangle that has two equal sides. The angles opposite these sides are also equal.

A triangle with two equal sides.

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Triángulo isosceles (SP)

Triangle isocèle (FR)

Triångulo isósceles (PT)

Equilateral Triangle

A triangle with all three sides of equal length and whose angles are all 60 degrees.

A triangle with all three sides of equal length.

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*Triángulo equilátero (SP)

*Triangle équilatérale (FR)

*Triângulo equilátero (PT)

‘Patty Paper’

Waxed squares of paper used by students to discover geometric properties by tracing and folding. 

Waxed squares of paper used by restaurants and butchers to separate meat.

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Tracing paper

Papel de cera (wax) (SP)

Papel de hamburguesa (SP)

Papel de calcar (tracing  paper) (SP)

Papier de cire (wax) (FR)

Papier de steak haché (FR)

Papier Calque (FR)

(tracing paper)

Papel de cera (wax) (PT)

Papel de hambúrguer (PT)

Papel Vegetal (PT)

(tracing paper)

Half

Either of two equal parts of a whole.

Either of two equal parts, which together compose a value twice as large as either one of the halves.

One of two equal parts; 50%;

Halves

Halved

Split in two

Split down the middle

Bisected

Divide equally in two

Mitad (SP)

Moitié (FR)

Metade (PT)

Square

A 4-sided regular polygon with all sides equal and all internal angles 90 degrees; two-dimensional

A rectangle with all four sides equal

Squares

Squarely

Equal sides

Congruent sides

Cuadrado (SP)

Carré (FR)

Quadrado (PT)

Line Segment

A straight line that links two points without extending beyond them.

Unbroken and bounded portion of line.

Segmented line

Line segments

Segmenting lines

Part of line

Portion of line

Section of line

*Segmento de  línea (SP)

*Segment (FR)

*Segmento de linha (PT)