### Dilation

• (n.) The act of dilating, or the state of being dilated; expansion; dilatation. • (n.) Delay.
Found on http://thinkexist.com/dictionary/meaning/dilation/

### Dilation

(also dilatation) During the first stage of labour, the cervix dilates, or opens, so the baby can be born. The cervix is fully dilated at 10cm.
Found on http://www.encyclo.co.uk/local/21460

### dilation

(di-la´shәn) the act of dilating or stretching; it may be either a normal physiological process done by muscles or a therapeutic process done by dilators. dilatation. an increase in the diameter of a circular structure, such as the pupil.
Found on http://www.encyclo.co.uk/local/21001

### dilation

(from the article `eye, human`) ...immediate constriction of the pupil, the light reflex; this is bilateral, so that even if only one eye is exposed to the light both pupils ...
Found on http://www.britannica.com/eb/a-z/d/49

### dilation

dilatation noun the act of expanding an aperture; `the dilation of the pupil of the eye`
Found on https://www.encyclo.co.uk/local/20974

### Dilation

[metric space] In Euclidean space, such a dilation is a similarity of the space. Dilations change the size but not the shape of an object or figure. Every dilation of a Euclidean space that is not a congruence has a unique fixed point that is called the center of dilation. Some congruences have fixed points and others do not. ...
Found on http://en.wikipedia.org/wiki/Dilation_(metric_space)

### Dilation

[morphology] Dilation is one of the basic operations in mathematical morphology. Originally developed for binary images, it has been expanded first to grayscale images, and then to complete lattices. The dilation operation usually uses a structuring element for probing and expanding the shapes contained in the input image. ==Binary operator...
Found on http://en.wikipedia.org/wiki/Dilation_(morphology)

### Dilation

[operator theory] where f(T) is some specified functional calculus (for example, the polynomial or H∞ calculus). The utility of a dilation is that it allows the `lifting` of objects associated to T to the level of V, where the lifted objects may have nicer properties. See, for example, the commutant lifting theorem. ==Applications== ...
Found on http://en.wikipedia.org/wiki/Dilation_(operator_theory)

### Dilation

Di·la'tion noun [ Latin dilatio . See Dilatory .] Delay. [ Obsolete] Bp. Hall.
Found on http://www.encyclo.co.uk/webster/D/66

### dilation

Dilation, or dilatation, is the gradual opening (dilating) of the cervix during labour. At around 10 cm the cervix is 'fully dilated'.
Found on http://www.encyclo.co.uk/local/20423

### Dilation

Dilation: The process of enlargement, stretching, or expansion. The word 'dilatation' means the same thing. Both come from the Latin 'dilatare' meaning 'to enlarge or expand.'
Found on http://www.medterms.com/script/main/art.asp?articlekey=3003

### dilation

Expansion.
Found on http://www.thehorse.com/Glossary.xhtml?L=D

### Dilation

In the first stage of labour the cervix, or neck of the womb, gradually opens up to make space for the baby. It needs to open to approximately 10 centimetres before the baby's head can pass through. This process is called dilation of the cervix.
Found on http://www.cmft.nhs.uk/saint-marys/our-services/maternity-services/glossary

### dilation

Opening of the cervix during labor to allow the baby to pass through; 10 centimeters is considered fully dilated
Found on https://www.fitpregnancy.com/pregnancy/pregnancy-health/pregnancy-glossary

### dilation

the act of expanding an aperture
Found on https://www.vocabulary.com/lists/310886

### Dilation

The action (whether by surgery or occurring naturally) of making something wider.

### Dilation

The opening of the cervix
Found on http://www.encyclo.co.uk/local/22139

### Dilation

The opening of the cervix for delivery of the baby. Measured in centimeters from 0 to 10.
Found on https://www.krh.org/krmc/services/women-and-babies/birthing-center/glossary

### Dilation

The opening of the cervix. Dilation is measured as the diameter of the cervix in centimeters.
Found on https://www.whattoexpect.com/pregnancy/glossary

### Dilation

The opening up of the cervix for the vaginal delivery of a baby. Dilation is measured in centimeters from 0 - 10, with 10 being fully dilated. Once the cervix is fully dilated to 10 cm, delivery can begin. Dilation can occur naturally or it can be induced by medical intervention. There are four phases of cervical dilation. The latent phase take...
Found on http://www.pregnology.com/Pregnancy-dictionary/

### dilation

The process of enlargment or expansion. The word dilatation means the same thing. Both come from the Latin dilatare meaning to enlarge or expand. ... (12 Dec 1998) ...
Found on http://www.encyclo.co.uk/local/20973

### dilation

Type: Term Pronunciation: dī-lā′shŭn Definitions: 1. Physiologic or artificial enlargement of a hollow structure or opening. 2. The act of stretching or enlarging an opening or the lumen of a hollow structure. Synonyms: dilatation
Found on http://www.medilexicon.com/medicaldictionary.php?t=24902