dilator
Noun
Meaning
One who, or that which, widens or expands.
A muscle that dilates any part.
An instrument for expanding a part; as, a urethral dilator.
Source: Webster's dictionarySynonyms
dilater
boomer
reamer
developer
idler
speculum
amplifier
expander
retractor
balloonist
bloater
endoscope
heaver
enlarger
stretcher
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