dilation

• Существительное, обозначающее процесс расширения, увеличения или растяжения отверстия, полости или трубчатой структуры в теле, часто используемое в медицинском контексте.

A noun referring to the process of expanding, widening, or enlarging an opening, cavity, or tubular structure in the body, often used in medical contexts.

uncountable

1. Enlargement of an openingB2formalmedical

   The process of expanding or widening a hollow organ or passage, such as the cervix or pupil.

   Расширение отверстия

   • The doctor monitored the dilation of the patient's cervix during labor.
   • Eye drops are used to cause pupil dilation for an examination.
   • Abnormal dilation of blood vessels can lead to health issues.

   Synonymsbroadeningdilatationdistensionenlargementexpansionwidening

2. Expansion in physicsC1formalscientific

   The increase in volume or size of a material due to changes in temperature or pressure.

   Расширение

   • Thermal dilation causes metal rails to expand on hot days.
   • The dilation of gases follows Charles's law.
   • Engineers account for material dilation when designing bridges.

   Synonymsdilatationenlargementexpansion

   Antonymscompressionconstrictioncontraction