American Heritage® Dictionary of the English Language, Fourth Edition
- n. The act or process of expanding; dilation.
- n. The condition of being expanded or stretched.
- n. A dilated formation or part.
- n. Medicine The condition of being abnormally enlarged or dilated, as of an organ, orifice, or tubular structure: dilatation of the stomach. Also called dilation.
- n. Lengthy explanation or elaboration of a subject in writing or speech.
Century Dictionary and Cyclopedia
- n. The act of expanding; expansion, as by heat; a spreading or enlarging in all directions; the state of being expanded or distended; distention.
- n. Specifically Diffuseness of speech; prolixity; enlargement.
- n. An abnormal enlargement of an aperture or a canal of the body, or one made for the purposes of surgical or medical treatment. See expansion.
- n. A dilated part of anything; specifically, in zoology, a dilated portion of an organ or a mark.
- n. In elasticity, change of volume under stress.
- n. Prolixity; diffuse discourse.
- n. The act of dilating; expansion; an enlarging on all sides; the state of being dilated; dilation.
- n. A dilation or enlargement of a canal or other organ.
GNU Webster's 1913
- n. obsolete Prolixity; diffuse discourse.
- n. The act of dilating; expansion; an enlarging on al� sides; the state of being dilated; dilation.
- n. (Anat.) A dilation or enlargement of a canal or other organ.
- n. the act of expanding an aperture
- n. the state of being stretched beyond normal dimensions
“This phenomenon, which we call dilatation of the womb, is brought about by involuntary contractions of the muscle fibers in its wall, every point of which they draw upward.”
“The effect of this mixture is a dilatation, which is nearly as four thousand to unity; and the lead in your barrel exhibits another effect, which is the product of its bulk multiplied by its velocity.”
“The patient has the second step of the second trimester abortion performed by a gynecologist with special expertise in second trimester abortions using a method called dilatation and evacuation D&Ewhich involves dismembering the fetus, which is the safest method for second trimester abortions.”
“Directly opposite the incisura angularis of the lesser curvature the greater curvature presents a dilatation, which is the left extremity of the pyloric part; this dilatation is limited on the right by a slight groove, the sulcus intermedius, which is about 2.5 cm, from the duodenopyloric constriction.”
“But, if a vessel containing both is heated, the liquid experiences a dilatation which is gradually augmented till it equals and even exceeds that of the gas; whence, of course, an equal volume of the liquid will weigh less and less.”
“His practice is in accordance with the belief that young children can be relieved by the simpler methods, such as dilatation; but he also observes that when a child has reached eight or ten years of age, and has never been able to expose the glans, contraction is almost certain to be present, and circumcision must be performed.”
“The line in the sand is now crystal clear, the dilatation between the two venues.”
“Mild cases of subglottic stenosis may be managed with observation, medicationor treated endoscopically with balloon dilatation or a laser.”
“Clifton, Effects of a low-salt diet on flow-mediated dilatation in humans.”
“Prenatal exposure of the fetal intestines to the amniotic fluid can be associated with bowel dilatation and inflammation, thus making primary repair not feasible.”
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