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dilator

di·la·tor

uncommon

noun

1.

a muscle or nerve that dilates or widens a body part

2.

a drug that causes dilation

3.

a surgical instrument that is used to dilate or distend an opening or an organ

Synonyms

Origin

From dilate + -or.

Phrases

  • iris dilator muscle

Related words

Word family

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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.