dilatation

• 名词，指超出正常尺寸的扩张状态，或孔道、通道扩大的过程。

A noun referring to the condition of being stretched beyond normal dimensions, or the act of expanding an opening or passage.

1. Stretching or expansionC1formalmedical

   The condition of being stretched or expanded beyond normal dimensions, often used in medical contexts.

   扩张

   • The doctor observed dilatation of the patient's pupils.
   • Dilatation of the blood vessels can occur during exercise.
   • Chronic dilatation of the stomach may require medical intervention.

   同义词dilationdistensionenlargementexpansionstretching

   反义词compressionconstrictioncontractionnarrowing

2. Enlargement of an openingC1formalmedical

   The act or process of expanding an aperture or opening, such as a passage in the body.

   开口扩张

   • Cervical dilatation is a normal part of childbirth.
   • The surgeon performed a dilatation of the narrowed artery.
   • Dilatation of the esophagus may be necessary for certain conditions.

   同义词dilationdistensionenlargementexpansionstretchingwidening