English Dictionary

DILATION

Pronunciation (US): Play  (GB): Play

IPA (US): 

 Dictionary entry overview: What does dilation mean? 

DILATION (noun)
  The noun DILATION has 2 senses:

1. a lengthy discussion (spoken or written) on a particular topicplay

2. the act of expanding an apertureplay

  Familiarity information: DILATION used as a noun is rare.


 Dictionary entry details 


DILATION (noun)


Sense 1

Meaning:

A lengthy discussion (spoken or written) on a particular topic

Classified under:

Nouns denoting communicative processes and contents

Hypernyms ("dilation" is a kind of...):

discourse; discussion; treatment (an extended communication (often interactive) dealing with some particular topic)

Derivation:

dilate (add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing)


Sense 2

Meaning:

The act of expanding an aperture

Classified under:

Nouns denoting acts or actions

Synonyms:

dilatation; dilation

Context example:

the dilation of the pupil of the eye

Hypernyms ("dilation" is a kind of...):

enlargement; expansion (the act of increasing (something) in size or volume or quantity or scope)

Hyponyms (each of the following is a kind of "dilation"):

vasodilation (dilation of blood vessels (especially the arteries))

mydriasis (reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs)

Derivation:

dilate (become wider)


 Context examples 


As a result, halobetasol reduces edema, erythema, and pruritus through its cutaneous effects on vascular dilation and permeability.

(Halobetasol, NCI Thesaurus)

Cystic dilation of a hair follicle with retention of keratinaceous debris.

(Follicular Cyst of the Mouse Skin, NCI Thesaurus/MMHCC)

The stage of the labor and childbirth process when the uterine contractions become strong and regular with cervical effacement and complete dilation of the cervix.

(First Stage of Labor, NCI Thesaurus)

In addition, this herb exhibits antioxidant property that influences positively on lipid metabolism, cause dilation of blood vessels, and may slow the growth of tumor cells.

(Huang Lian, NCI Thesaurus)

This is often the result of ventricular dilation due to hypertrophic cardiomyopathy.

(Hyperdynamic Ventricular Ejection Fraction, NCI Thesaurus)

Furthermore, this agent causes arterial and venous bed dilation in a dose-dependent manner.

(Pentaerythritol Tetranitrate, NCI Thesaurus)

A discharge of the mucus plug from the cervical os during cervical dilation in preparation for the labor and delivery of the baby.

(Passing of Mucus Plug, NCI Thesaurus)

Inhibition of the vagal tone leads to dilation of the large central airways resulting in bronchodilation.

(Ipratropium, NCI Thesaurus)

A benign lymphatic neoplasm usually arising from the neck and characterized by cystic dilation of the lymphatic vessels.

(Cystic Hygroma, NCI Thesaurus)

Stimulation of dopaminergic receptors in renal vasculature, leads to renal blood vessel dilation, and an increase in glomerular filtration rate, renal blood flow, sodium excretion, and urine output.

(Dopamine, NCI Thesaurus)



 Learn English with... Proverbs 
"Even a worm will turn." (English proverb)

"Someone else's pain is easy to carry" (Breton proverb)

"Barcelona is good if you have money." (Catalan proverb)

"He who changes, suffers." (Corsican proverb)



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