noun. a surgical instrument that is used to dilate or distend an opening or an organ.
- surgical instrument
- brand-name drug
noun. a drug that causes dilation.
- bring to
noun. a muscle or nerve that dilates or widens a body part.
Sentences with dilator
1. Noun, singular or mass
In dim light, dilator muscles in the iris contract and open the pupil to allow more light in.
Experiment with different positions on your nose to see if dilator strips will work for you.