| 释义 |
dilation
di·la·tion D0224100 (dī-lā′shən, dĭ-)n.1. a. The act of expanding or enlarging or the state of being expanded or enlarged: dilation of the cervix during labor.b. The condition of being abnormally expanded or enlarged, as of an organ, orifice, or tubular structure in the body.2. A lengthy spoken or written discussion on a topic: "an Edith Whartonesque dilation on a social class steeped in hypocrisy" (Caroline Seebohm).di•la•tion (daɪˈleɪ ʃən, dɪ-)
n. 1. the act of dilating or the state of being dilated. 2. dilatation. 3. the increase in volume per unit volume of a homogeneous substance. [1590–1600] Dilation of pupils: schoolchildren collectively—Lipton, 1970.Thesaurus| Noun | 1. | dilation - a lengthy discussion (spoken or written) on a particular topicdiscussion, discourse, treatment - an extended communication (often interactive) dealing with some particular topic; "the book contains an excellent discussion of modal logic"; "his treatment of the race question is badly biased" | | 2. | dilation - the act of expanding an aperture; "the dilation of the pupil of the eye"dilatationenlargement, expansion - the act of increasing (something) in size or volume or quantity or scopevasodilation - dilation of blood vessels (especially the arteries)mydriasis - reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs |
dilationnoun enlargement, increase, spread, expansion, extension, broadening, dilatation, distension the constriction and dilation of blood vesselsTranslationsdilation
dilation[də′lā·shən] (mathematics) A transformation which changes the size, and only the size, of a geometric figure. An operation that provides a relatively flexible boundary to a fuzzy set; for a fuzzy set A with membership function mA, a dilation of A is a fuzzy set whose membership function has the value [mA (x)]βfor every element x, where β is a fixed number that is greater than 0 and less than 1. (science and technology) The act or process of stretching or expanding. dilation
dilation [di-la´shun] 1. the act of dilating or stretching.2. dilatation.3. an increase in the diameter of a circular structure, such as the pupil.dilation and curettage D and C; expanding of the ostium uteri to permit scraping of the walls of the uterus. See also abortion.di·la·tion (dī-lā'shŭn), 1. Physiologic or artificial enlargement of a hollow structure or opening. 2. The act of stretching or enlarging an opening or the lumen of a hollow structure. Synonym(s): dilatation [L. dilato, pp. dilatatus, to spread out, dilate] dilation (dī-lā′shən, dĭ-)n.1. a. The act of expanding or enlarging or the state of being expanded or enlarged: dilation of the cervix during labor.b. The condition of being abnormally expanded or enlarged, as of an organ, orifice, or tubular structure in the body.2. A lengthy spoken or written discussion on a topic: "an Edith Whartonesque dilation on a social class steeped in hypocrisy" (Caroline Seebohm).dilation Ophthalmology A process by which the pupil is temporarily enlarged with mydriatics to improve visualization of the fundusdi·la·tion (dī-lā'shŭn) 1. Physiologic or artificial enlargement of a hollow structure or opening. 2. The act of stretching or enlarging an opening or the lumen of a hollow structure. di·la·tion , dilatation (dī-lā'shŭn, dil'ă-tā'shŭn) 1. Physiologic or artificial enlargement of a hollow structure or opening. 2. Stretching an opening of a hollow structure. dilation
Related to dilation: Cervical dilationSynonyms for dilationnoun enlargementSynonyms- enlargement
- increase
- spread
- expansion
- extension
- broadening
- dilatation
- distension
Synonyms for dilationnoun a lengthy discussion (spoken or written) on a particular topicRelated Words- discussion
- discourse
- treatment
noun the act of expanding an apertureSynonymsRelated Words- enlargement
- expansion
- vasodilation
- mydriasis
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