| delimiting keratotomy | Incision in the cornea along the margin of an advancing ulcer. (05 Mar 2000) |
|---|---|
| delineation | 1. The act of representing, portraying, or describing, as by lines, diagrams, sketches, etc.; drawing an outline; as, the delineation of a scene or face; in drawing and engraving, representation by means of lines, as distinguished from representation by means of tints shades; accurate and minute representation, as distinguished from art that is careless of details, or subordinates them excessively. 2. A delineated picture; representation; sketch; description in words. "Their softest delineations of female beauty." (W. Irving) Synonym: Sketch, portrait, outline. See Sketch. Origin: L. Delineatio: cf. F. Delineation. Source: Websters Dictionary (01 Mar 1998) |
| deliquesce | <chemistry> To dissolve gradually and become liquid by attracting and absorbing moisture from the air, as certain salts, acids, and alkalies. "In very moist air crystals of strontites deliquesce." (Black) Origin: L. Deliquescere to melt, dissolve; de- + liquescere to become fluid, melt, fr. Liquere to be fluid. See Liquid. Source: Websters Dictionary (01 Mar 1998) |
| deliquescence | Becoming damp or liquid by absorption of water from the atmosphere; a property of certain salts, such as CaCl2. Origin: L. De-liquesco, to melt or become liquid (05 Mar 2000) |
| deliquescent | 1. Dissolving; liquefying by contact with the air; capable of attracting moisture from the atmosphere and becoming liquid; as, deliquescent salts. 2. <botany> Branching so that the stem is lost in branches, as in most deciduous trees. Origin: L. Deliquescens, -entis, p. Pr. Of deliquescere: cf. F. Deliquescent. Source: Websters Dictionary (01 Mar 1998) |
| deliquium | 1. <chemistry> A melting or dissolution in the air, or in a moist place; a liquid condition; as, a salt falls into a deliquium. 2. A sinking away; a swooning. 3. A melting or maudlin mood. Origin: L. See Deliquiate. Source: Websters Dictionary (01 Mar 1998) |
| deliria | Plural of delirium. (05 Mar 2000) |
| deliriant | <medicine> A poison which occasions a persistent delirium, or mental aberration (as belladonna). See: Delirium. Source: Websters Dictionary (01 Mar 1998) |
| delirifacient | <medicine> Producing, or tending to produce, delirium. Any substance which tends to cause delirium. Origin: Delirium + L. Faciens, -entis, p. Pr. Of facere = to make. Source: Websters Dictionary (01 Mar 1998) |
| delirious | In a state of delirium. (05 Mar 2000) |
| delirious shock | Traumatic or toxic delirium following shock. Synonym: delirious shock. (05 Mar 2000) |
| delirium | <neurology, psychiatry> An acute, reversible organic mental disorder characterised by reduced ability to maintain attention to external stimuli and disorganised thinking as manifested by rambling, irrelevant or incoherent speech. There are also a reduced level of consciousness, sensory misperceptions, disturbance of the sleep wakefulness cycle and level of psychomotor activity, disorientation to time, place or person and memory impairment. Delirium may be caused by a large number of conditions resulting in derangement of cerebral metabolism, including systemic infection, poisoning, drug intoxication or withdrawal, seizures or head trauma and metabolic disturbances such as hypoxia, hypoglycaemia, fluid, electrolyte or acid base imbalances or hepatic or renal failure. Synonym: acute confusional state, acute brain syndrome. Origin: L. Lira = furrow or track, i.e., off the track (13 Nov 1997) |
| delirium cordis | An obsolete term for atrial fibrillation. (05 Mar 2000) |
| delirium mussitans | Delirium common in low fevers in which the subject is unconscious, but constantly mutters incoherently. (05 Mar 2000) |
| delirium tremens | A form of acute organic brain syndrome due to alcohol withdrawal, characterised by sweating, tremor, dyspepsia, restlessness, tachycardia, fever, anxiety, chest pains, mental confusion and hallucinations (often tactile----bugs crawling on me) (27 Sep 1997) |