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 (dī-lā′tər, dī′lā′-, dĭ-lā′-)
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.


(daɪˈleɪtə; dɪ-) or




(ˌdaɪləˈteɪtə; ˌdɪ-)
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


or di•lat•er

(daɪˈleɪ tər, dɪ-, ˈdaɪ leɪ-)

1. any muscle that dilates a part of the body.
2. a surgical instrument for performing a dilatation.
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


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.


n dilatador m
References in periodicals archive ?
7) urological surgical dilators or accessories (1 Unit)
VuVa dilators have been proven to help women with Menopause as well, helping to create natural lubrication without the need for medications.
Flexible serial dilators are introduced over the wire to expand the opening and prepare the salivary duct for the introduction of procedural instruments.
Causes vary from physical to emotional and often a bit of both, remedies are targeted to help areas - treating infection and skin problems, sex counselling, medication, pelvic exercises and even gradually increasing dilators can all help.
This in turn results in the curve of the tracheal dilators and tracheostomy tube crushing the tracheal rings above the inter-cartilaginous incision resulting in tracheal cartilage fracture and collapse (4,5).
The other gold medal was for his invention of dilators used in dental implants, he added.
In the in vivo method the patient learns self-hypnosis and then inserts in the vagina first a finger, and then Hegar dilators of gradually increasing sizes.
The next step was to insert progressively larger dilators to be slid along the guide wire.
The young woman died of toxic shock after seaweed dilators were inserted to expand her cervix in preparation for a second trimester abortion.
are soft, resilient, comfortable, and easy-to-use nasal dilators used to relieve breathing restriction caused by chronic congestion, nasal valve collapse, septal deviation, or medium hypertrophy.
If snoring is a direct result of congestion or a deviated septum, then nasal dilators, strips, sprays and decongestants might help.
The findings suggest that sildenafil and other vessel dilators that show a benefit in the lungs could benefit such sickle-cell patients, he says.