dilator

/dahy-ley-ter, dih-, dahy-ley-/US // daɪˈleɪ tər, dɪ-, ˈdaɪ leɪ- //UK // (daɪˈleɪtə, dɪ-) //

扩张器,扩音器,扩压器,放大器

Definitions

n.名词 noun

1
- : Anatomy. a muscle that dilates some cavity of the body.
- : Surgery. an instrument for dilating body canals, orifices, or cavities.

Sterilized vaseline or glycerine of perchloride of mercury may be smeared over the point of the dilator to facilitate its passage.
This shoe is also provided with bar-clips, and forcibly expanded at the heels by means of a dilator.
The only difficulty which may be experienced is in entering the dilator into the punctum, owing to the small size of the latter.
This is reassuring to the surgeon, and at this point the dilator should be introduced and the ansthetic abandoned.
This leaden dilator is referred to over and over again by Hippocrates.