Dilation Meaning in English

word

US

UK

Definition

Dilation is the process of becoming wider, larger, or more open, often used in medical, scientific, or mathematical contexts.

Usage & Nuances

Common in medical (pupils, cervix), scientific, and mathematical contexts. Often appears as 'pupil dilation,' 'cervical dilation.' Not used for objects simply getting bigger (use 'expansion' or 'enlargement' in general speech). Formal/technical.

• Spanish: dilatación - expansión
• Portuguese (BR): dilatação - expansão
• Portuguese (PT): dilatação - expansão
• Chinese (Simplified): 扩张 - 扩大
• Chinese (Traditional): 擴張 - 擴大
• Hindi: विस्तार - फैलाव
• Arabic: اتساع - توسع
• Bengali: প্রসারণ - প্রশস্ততা
• Russian: расширение - дилатация
• Japanese: 拡張 - 散大
• Vietnamese: giãn nở - sự giãn ra
• Korean: 확장 - 팽창 (의학에서의)
• Turkish: genişleme - dilatasyon
• Urdu: توسیع - پھیلاؤ
• Indonesian: dilatasi - pelebaran

Example Sentences

The dilation of the pupils helps doctors check your eyes.

basic

The doctor measured the dilation of her cervix during labor.

basic

Heat can cause the dilation of metal parts.

basic

The optometrist used special drops to cause dilation before the eye exam.

natural

In math, a dilation changes the size of a shape but not its proportions.

natural

There was visible dilation of the blood vessels after the medication.

natural