n, dahy-luh-]
| 1. | a dilated formation or part. |
| 2. | Pathology. an abnormal enlargement of an aperture or a canal of the body. |
| 3. | Surgery.
|
| 4. | Mechanics. the increase in volume per unit volume of a homogeneous substance. |
di·la·tion (dī-lā'shən, dĭ-) n.
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dilatation dil·a·ta·tion (dĭl'ə-tā'shən, dī'lə-)
n.
Physiological, pathological, or artificial enlargement of a cavity, canal, blood vessel, or opening.
dilation di·la·tion (dī-lā'shən, dĭ-)
n.
The act of expanding or the condition of being expanded.
Dilatation.
| dilation (dī-lā'shən, dĭ-) Pronunciation Key
The widening or stretching of an opening or a hollow structure in the body. |