di·la·tor (d -l  t r, dl -, d -l-)n. 1. A muscle that dilates a body part, such as a blood vessel or the pupil of the eye. 2. An instrument that dilates a body part, such as a cavity, canal, or orifice. |
dilator, dilater [daɪˈleɪtə dɪ-], dilatator [ˌdaɪləˈteɪtə ˌdɪ-]
n
1. (Medicine / Surgery) something that dilates an object, esp a surgical instrument for dilating a bodily cavity
2. (Life Sciences & Allied Applications / Physiology) a muscle that expands an orifice or dilates an organ
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | dilator - a muscle or nerve that dilates or widens a body part body part - any part of an organism such as an organ or extremity |
| 2. | dilator - a drug that causes dilation drug - a substance that is used as a medicine or narcotic vasodilative, vasodilator - a drug that causes dilation of blood vessels | |
| 3. | dilator - a surgical instrument that is used to dilate or distend an opening or an organ surgical instrument - a medical instrument used in surgery |
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