dilation
pronunciation
How to pronounce dilation in British English:
UK [daɪ'leɪʃn]
How to pronounce dilation in American English:
US [daɪ'leɪʃn]
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- Noun:
- a lengthy discussion (spoken or written) on a particular topic
- the act of expanding an aperture
Word Origin
- dilation (n.)
- 1590s, formed from dilate on the mistaken assumption that the -ate in that word was the Latin verbal suffix (it is instead part of the stem); the proper form, dilatation, is older (c. 1400).
Example
- 1. Inhibition of the parasympathetic system can therefore also cause dilation .
- 2. During a migraine attack , a number of changes occur throughout the brain causing dilation of blood vessels ; severe pain ; increased sensitivity to lights , sounds and smells ; nausea and vomiting ; and other symptoms .
- 3. The dilation began about one second before they pressed the button and peaked one to two seconds after .
- 4. The dilation of the vessels to compensate then led to the throbbing pain , so the thinking went .
- 5. After drinking green tea , the subjects experienced significantly increased artery widening ( dilation ) , with the highest increase noted at 30 minutes .