dilator

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di·la·tor

 (dī-lā′tər, dī′lā′-, dĭ-lā′-)
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

(daɪˈleɪtə; dɪ-) or

dilater

;

dilatator

(ˌdaɪləˈteɪtə; ˌdɪ-)
n
1. (Surgery) something that dilates an object, esp a surgical instrument for dilating a bodily cavity
2. (Physiology) a muscle that expands an orifice or dilates an organ

di•la•tor

or di•lat•er

(daɪˈleɪ tər, dɪ-, ˈdaɪ leɪ-)

n.
1. any muscle that dilates a part of the body.
2. a surgical instrument for performing a dilatation.
[1595–1605]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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
Translations

di·la·tor

n. dilatador.
1. músculo que dilata un órgano al contraerse;
2. instrumento quirúrgico para expandir o dilatar un orificio o paredes;
Hegar's ______ de Hegar, instrumento usado para dilatar el canal uterino.

dilator

n dilatador m