Quick Answer: What Is Another Name For A Dilation?

What does a dilation mean?

A dilation is a transformation that produces an image that is the same shape as the original, but is a different size.

A dilation stretches or shrinks the original figure.

• A description of a dilation includes the scale factor (or ratio) and the center of the dilation..

What does it mean to dilate a triangle?

Author: Susan Addington. Dilation is a technique for creating similar figures. Each point is stretched outwards from the center point D by multiplying distances by the scale factor. (Outwards if the scale factor is bigger than 1.)

What is dilation eye exam?

Dilation allows an eye doctor to look inside your eyes. Dilating drops widen the pupil (the black part of your eye) so that it doesn’t get smaller when your doctor shines a light at it. The widened pupil allows your doctor to use a magnifying lens to look inside your eye and at the back of your eye.

What is the nearest meaning of dilation?

1 : the act or action of dilating : the state of being dilated : expansion, dilatation. 2 : the action of stretching or enlarging an organ or part of the body.

What is the opposite of dilate?

What is the opposite of dilate?contractcompressdecreasedeflatediminishlessenlowerreduceshortenfall69 more rows

What is the opposite of dilation in math?

A dilation is a transformation that produces an image that is the same shape as the original, but is a different size. … A dilation that creates a smaller image is called a reduction.

What is the rule for a dilation?

A dilation is a type of transformation that enlarges or reduces a figure (called the preimage) to create a new figure (called the image)….Rules for Dilations.Scale Factor, \begin{align*}k\end{align*}Size change for preimage\begin{align*}k>1\end{align*}Dilation image is larger than preimage2 more rows•Apr 30, 2013

How does dilation affect area?

When shapes are dilated (when they get bigger or smaller), perimeter changes linearly—in direct proportion with length—while area changes quadratically—in proportion to length squared.

What is it called when a shape gets smaller?

Dilation is where the polygon grows or shrinks but keeps the same overall shape. … As you adjust the slider on the right, the transformed rectangle A’B’C’D gets bigger and smaller, but remains the same shape. The transformed figure is called the dilated image of the the original.

How long does it take to dilate from 1 to 10?

One woman may go from having a closed cervix to giving birth in a matter of hours, while another is 1–2 cm dilated for days or weeks. Some women do not experience any dilation until they go into active labor. This means that the cervix is completely closed initially, but it widens to 10 cm as labor progresses.

How do you use dilation in a sentence?

The pupil is always dilated and insensitive to light. Her pupils dilated as he neared, her breath quickening.

What is another word for dilation?

In this page you can discover 9 synonyms, antonyms, idiomatic expressions, and related words for dilation, like: distention, expansion, extension, increase, dilatation, occlusion, miosis, distension and constriction.

What is a dilation in geometry?

In geometry, a transformation is an operation that moves, flips, or changes a shape to create a new shape. A dilation is a type of transformation that enlarges or reduces a figure (called the preimage) to create a new figure (called the image).