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dilation

dilation

Noun

pl: dilations

This term describes a physical expansion or widening, often associated with biological responses or precise technical procedures. It carries a clinical or mathematical tone, suggesting a controlled or automatic increase in aperture or scale rather than a random growth.

In medical contexts, it refers specifically to the opening of a passage, such as the cervix or a blood vessel, often implying the use of specialized tools or a physiological reaction to stimuli. In geometry, it denotes a transformation that alters size while preserving the original shape's proportions.

Meanings

Noundilation

The action of becoming wider, larger, or more open.

The dilation of the pupils occurs in low light.

Noundilation

The process of widening a tubular structure or an opening, typically using a medical instrument.

The doctor performed a cervical dilation to facilitate the procedure.

Noundilation

The act of expanding or increasing the size of a geometric figure while maintaining its proportions.

The dilation of the triangle was performed using a scale factor of two.

Examples

Pupil dilation is normal.

The dilation was fast.

I see pupil dilation.

The dilation happened in the dark.

He noticed the dilation of her eyes.

The dilation took a few seconds.

The nurse checked for pupil dilation.

Health

The teacher explained dilation in geometry class.

School Life

The detective noted the sudden dilation of the suspect's pupils.

Detective

Time dilation is a key concept in relativity.

Trivia

The surgeon performed a careful dilation of the artery.

Health

The architect used a dilation to scale the blueprint.

Business

Related Words

expansion widening extension distension contraction constriction shrinkage compression pupil diameter mydriasis ballooning stretch dilate

Last Updated: August 13, 2026•Report an Error