As nouns the difference between dilator and delator
is that dilator is (anatomy) any nerve or muscle that causes part of the body to dilate while delator is an accuser; an informer.
dilator
English
Noun
(
en noun)
(anatomy) Any nerve or muscle that causes part of the body to dilate
(medicine) Any drug that causes such dilation
(medicine) An instrument used to dilate an orifice or cavity
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