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dilate

verb

/dʌɪˈleɪt/

IPA:

Dictionary definition of dilate

To expand, widen, or enlarge something, typically by increasing its physical dimensions or the space it occupies.
"The blood vessels in the body dilate during times of stress."

Detailed meaning of dilate

This term is often used to describe the process of making an object or opening larger, such as when pupils dilate in response to changes in light, or when blood vessels dilate to allow for increased blood flow. "Dilate" can also be applied more figuratively to describe the act of making something more extensive or detailed, like when a writer dilates on a topic by providing additional information or elaborating on a point. In medical contexts, it refers to the process of widening a bodily passage or opening, as in the dilation of the cervix during childbirth. Overall, "dilate" emphasizes the act of expansion or enlargement, whether in a physical or figurative sense.

Example sentences containing dilate

1. The heart's chambers dilate during exercise to accommodate increased blood flow.
2. Bright light causes the pupils to dilate for better visual perception.
3. Emotional stress can cause blood vessels to dilate, leading to a flushed appearance.
4. The balloon dilates the narrowed artery, improving blood flow.
5. Medication can help dilate the airways, making breathing easier for asthma patients.
6. The eye surgeon uses a special tool to dilate the pupil before surgery.

History and etymology of dilate

The verb 'dilate' has its roots in the Latin word 'dilatare,' which is a combination of 'dis-' meaning 'thoroughly' or 'completely,' and 'latus' meaning 'carried' or 'borne.' In Latin, 'dilatare' primarily conveyed the idea of expanding or widening something extensively, often in the context of physical dimensions or the space occupied. This notion of thorough expansion is retained in the modern English usage of 'dilate,' where it refers to the act of enlarging or widening something, whether it be a physical object or a space, by stretching or increasing its dimensions. Thus, the etymology of 'dilate' reflects its historical association with comprehensive expansion and widening.

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Further usage examples of dilate

1. Heat causes blood vessels to dilate, aiding in thermoregulation.
2. Yoga and deep breathing exercises can help dilate the bronchi for improved respiratory function.
3. The dilated cervix is a natural part of the labor process.
4. The doctor applies eye drops to dilate the eye for a thorough examination.
5. The body's natural response to fear is to dilate the pupils for enhanced visual acuity.
6. During childbirth, the uterus dilates to allow for the baby's passage.
7. Blood vessels dilate during a fever to promote heat loss from the body.
8. Certain medications dilate the blood vessels, lowering blood pressure.
9. Prolonged exposure to cold temperatures can cause blood vessels to dilate, resulting in frostbite.
10. The optometrist uses a light source to dilate the pupil and assess eye health.
11. The therapist teaches relaxation techniques to dilate the blood vessels and reduce hypertension.
12. The doctor administers medication to dilate the bronchial tubes and alleviate asthma symptoms.
13. During sexual arousal, blood vessels dilate, facilitating increased blood flow to the genitals.
14. Allergic reactions can cause blood vessels to dilate, resulting in a rash or hives.