Opposite of DILATION – 35 Antonyms With Sentence Examples

When discussing antonyms for dilation, it is essential to understand the concept of dilation itself. Dilation refers to the process of expanding or enlarging an object by a specific factor. In mathematical terms, dilation involves multiplying the coordinates of each point of the object by the scaling factor to create a new, larger version of the original.

The antonyms for dilation involve the opposite action of shrinking or reducing the size of an object. In contrast to dilation, these antonyms involve decreasing the dimensions of an object by a certain factor. This process results in a smaller version of the original object, with the coordinates of each point being multiplied by a scaling factor less than one to achieve the reduction in size.

Understanding antonyms for dilation is crucial for grasping the full spectrum of geometric transformations. By comprehending both the process of dilation and its opposite actions, you can enhance your knowledge of spatial relationships and transformations in mathematics and beyond.

35 Antonyms for DILATION With Sentences

Here’s a complete list of opposite for dilation. Practice and let us know if you have any questions regarding DILATION antonyms.

Antonym Sentence with Dilation Sentence with Antonym
Constriction The doctor recommended dilation of the pupil for a better view. The doctor suggested constriction of the pupil for a more focused view.
Reduction The dilation of the blood vessels helped improve circulation. The reduction of the blood vessels hindered proper circulation.
Compression In cases of severe swelling, dilation of the affected area may occur. In cases of severe swelling, compression of the affected area may occur.
Tautness Dilation of the pores can lead to clearer skin. Tautness of the pores can result in a smoother complexion.
Tightness The dilation of the lungs during deep breaths is beneficial. The tightness of the lungs during shallow breaths can cause discomfort.
Closure The surgeon performed dilation of the esophagus to aid swallowing. The surgeon induced closure of the esophagus to ease the patient’s discomfort.
Decrease Dilation of the eyes is a common side effect of certain medications. Decrease in the size of the eyes can occur with other medications.
Narrowing The doctor recommended dilation of the blood vessels for better blood flow. The doctor advised narrowing of the blood vessels to prevent excessive blood flow.
Constrict Dilation of the cervix is a natural part of the labor process. Sometimes, the cervix may constrict instead of dilating during labor, causing complications.
Shrinkage After the injury, dilation of the surrounding tissues helped reduce pain. After the injury, shrinkage of the surrounding tissues aggravated the pain.
Reduction Dilation of the bronchial tubes is essential for proper breathing. Reduction in the size of the bronchial tubes can lead to breathing difficulties.
Tightening Dilation of the blood vessels can decrease blood pressure. Tightening of the blood vessels can increase blood pressure.
Contraction The medication caused dilation of the pupil as a side effect. The medication led to contraction of the pupil, affecting vision.
Limitation The doctor recommended dilation of the pupil for a comprehensive eye exam. The doctor suggested limitation of the pupil size for a focused eye exam.
Compression The process of dilation is essential for the expansion of the tissue. Excessive compression can hinder the proper expansion of the tissue.
Collapse The dilation of blood vessels in the brain can relieve pressure. The collapse of blood vessels in the brain can lead to serious health issues.
Narrowing Dilation of the arteries can improve blood flow to the heart. Narrowing of the arteries can restrict blood flow to the heart.
Tightening Stretching exercises can lead to dilation of the muscles. Intense workouts may lead to tightening of the muscles instead of dilating.
Reduction Dilation of the pupils allows more light to enter the eye. Reduction in pupil size helps in blocking excess light from entering the eye.
Constriction In cases of allergic reactions, dilation of the airways may occur. During allergic reactions, constriction of the airways can cause breathing difficulties.
Contraction Reflexes such as dilation of the pupils occur naturally in response to light. Reflexes such as contraction of the pupils can occur in response to darkness.
Tightness Proper dilation of the joints is necessary for flexibility. Excessive tightness in the joints can hinder movement.
Reduction Dilation of the cervix is an important process during childbirth. The reduction of the cervix size before delivery can lead to complications.
Compression The gentle massage helped in the dilation of the muscles, reducing stiffness. However, excessive pressure can lead to compression of the muscles, causing pain.
Narrowing Dilation of the blood vessels can decrease blood pressure. Conversely, narrowing of the blood vessels increases blood pressure.
Constriction Lack of proper breathing may lead to dilation of the chest. However, shallow breathing can cause constriction of the chest.
Reduction Eye drops are used to induce dilation for eye examinations. On the other hand, some eye drops can lead to reduction of pupil size.
Tightening Controlled breathing techniques can prevent dilation of the blood vessels. Stressful situations can cause tightening of the blood vessels, affecting circulation.
Contraction During relaxation, dilation of the blood vessels promotes blood flow. During stress, contraction of blood vessels can impede blood flow.
Shrinkage Proper hydration can prevent dilation of the skin cells. Dehydration can lead to shrinkage of the skin cells, causing wrinkles.
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Final Thoughts about Antonyms of DILATION

In conclusion, the opposite of dilation, which is constriction, refers to the process of narrowing or tightening. When a muscle contracts, it becomes constricted, creating tension and decreasing its size. Similarly, when blood vessels constrict, they become narrower, reducing the flow of blood. Understanding the antonym of dilation, constriction, helps in grasping the concept of opposing processes in the body, such as relaxation versus tightening, expansion versus contraction, and increases versus decreases in size or volume.

By recognizing the antonyms for dilation, individuals can better comprehend the dynamics of different physiological functions. The contrast between dilation and constriction sheds light on how the body’s mechanisms work in balancing opposing actions to maintain homeostasis and regulate various processes effectively.