What does dilated mean?
The term 'dilated' refers to a state of being expanded or enlarged, often in reference to physical characteristics such as the size of an organ or the diameter of a blood vessel. This can be a result of various factors, including disease, injury, or physiological processes. In medical contexts, dilated pupils may indicate a range of conditions, from high fever to certain neurological disorders. The word 'dilated' is often used in conjunction with other terms to describe specific conditions or symptoms, and its meaning can vary depending on the context in which it is used. As a descriptive term, 'dilated' provides a clear and concise way to convey information about the size or state of an object or system.
adjective
Having a larger diameter or size than normal; expanded or stretched out.
- 1. Having a larger diameter or size than normal; expanded or stretched out.
"The dilated pupils were a sign of the patient's high fever."
"The doctor examined the patient's dilated pupils to determine the cause of their high fever."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of dilated
The word 'dilated' comes from the Latin 'dilatus', which is the past participle of 'dilare', meaning 'to expand' or 'to stretch out'. This Latin term is also the source of the English word 'dilate', which means 'to make or become larger'. The use of 'dilated' as an adjective to describe a state of being expanded or enlarged is a common extension of the original meaning of the word.
Usage notes
In medical contexts, 'dilated' is often used to describe the pupils, but it can also be used to describe other physical characteristics, such as the size of an organ or the diameter of a blood vessel. The word 'dilated' can have a neutral or positive connotation, depending on the context in which it is used. For example, in a medical setting, 'dilated' may be used to describe a condition that requires treatment, while in a scientific context, it may be used to describe a normal or expected state of being.