Diitor

(di-la'-tor). An instrument for stretching or enlarging a cavity or opening; also, a dilating muscle. See Muscles, Table of. D., Barnes', an instrument for dilatation of the os and cervix uteri, consisting of a rubber bag, which, when inserted, is distended with water. D., Intrauterine, for dilating the uterine cavity by means of air or water. D., Laryngeal, an instrument with two or three blades that may be separated, for freeing or dilating the larynx, lemma (di-lem' '-ah). In experiments to determine the reaction-time of psychic proce es, if the person is told which side is to be stimulated, or what colored disc is to be presented, etc., the time is shorter. Lack of such foreknowledge is called the dilemma. ill.HI. See Anethum . ilmaisch Disease. See Disease . (dil'-u-enf). An agent that dilutes the secretions of an organ, or that increases the fluidity of secretions. (di-lu' -shun). I. The proce of mixing with a neutral fluid or substance, in order to attenuate. 2. A diluted substance; the result of a diluting proce .