Dilator
Dilator Di*lat"or, n. [See {Dilate}.] 1. One who, or that which, widens or expands. [1913 Webster]

2. (Anat.) A muscle that dilates any part. [1913 Webster]

3. (Med.) An instrument for expanding a part; as, a urethral dilator. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Dilator — is a medical term with a number of uses, including: A surgical instrument or medical implement used to induce dilation, that is, to expand an opening or passage such as the cervix, urethra, esophagus, or vaginal introitus. A pharmacological… …   Wikipedia

  • dilator — [dī′lāt΄ər; dī lāt′ər, dəlāt′ər] n. a person or thing that dilates; specif., a) any muscle that dilates a part of the body b) a surgical instrument for dilating an opening, wound, etc …   English World dictionary

  • Dilator — A device used to stretch or enlarge an opening. Patients with scarring of the muscular tube through which food passes from the throat to the stomach (esophagus) can require a dilator procedure in order to open the esophagus for adequate passage… …   Medical dictionary

  • dilator — bron·cho·dilator; pu·pil·lo·dilator; vaso·dilator; dilator; …   English syllables

  • dilator — n. 1) an instrument used to enlarge a body opening or cavity. For example, the male urethra may become narrowed by disease and it can sometimes be restored to its original size by inserting a dilator. Dilators (such as Hegar s dilator) are also… …   The new mediacal dictionary

  • dilator — noun 1》 (also dilator muscle) Anatomy a muscle whose contraction dilates an organ or aperture, such as the pupil of the eye. 2》 a surgical instrument for dilating a tube or cavity in the body. 3》 a vasodilatory drug …   English new terms dictionary

  • dilator — noun see dilate …   New Collegiate Dictionary

  • dilator — n. [L. dilatus, spread] A muscle that functions to dilate …   Dictionary of invertebrate zoology

  • dilator — /duy lay teuhr, di , duy lay /, n. 1. Anat. a muscle that dilates some cavity of the body. 2. Surg. an instrument for dilating body canals, orifices, or cavities. Also, dilater. [1595 1605; DILATE + OR2] * * * …   Universalium

  • dilator — noun a) Any nerve or muscle that causes part of the body to dilate b) Any drug that causes such dilation …   Wiktionary

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