| solar retinopathy | A macular burn from excessive exposure to sunlight or other intense light (e.g., the flash of a short circuit); characterised subjectively by reduced visual acuity. See: solar maculopathy. Synonym: electric retinopathy, solar retinopathy. Origin: photo-+ retina, + G. Pathos, suffering (05 Mar 2000) |
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| solar system | The group of celestial bodies, including the earth, orbiting around and gravitationally bound by the sun. It includes nine planets, 34 natural satellites, more than 1,000 observed comets, and thousands of lesser bodies known as minor planets (asteroids) and meteoroids. (12 Dec 1998) |
| solar therapy | Treatment of disease by exposure to sunlight. (05 Mar 2000) |
| solar urticaria | A form of urticaria resulting from exposure to specific light spectra; e.g., sunlight; some patients have passive-transfer antibodies and others do not. (05 Mar 2000) |
| solarium | Origin: L. See Solar. 1. An apartment freely exposed to the sun; anciently, an apartment or inclosure on the roof of a house; in modern times, an apartment in a hospital, used as a resort for convalescents. 2. <zoology> Any one of several species of handsome marine spiral shells of the genus Solarium and allied genera. The shell is conical, and usually has a large, deep umbilicus exposing the upper whorls. Synonym: perspective shell. Source: Websters Dictionary (01 Mar 1998) |
| solarization | <photography> Injury of a photographic picture caused by exposing it for too long a time to the sun's light in the camera; burning; excessive insolation. Source: Websters Dictionary (01 Mar 1998) |
| solarize | <photography> To injure by too long exposure to the light of the sun in the camera; to burn. Origin: Solarized; Solarizing. <photography> To become injured by undue or too long exposure to the sun's rays in the camera. Source: Websters Dictionary (01 Mar 1998) |
| solasulfone | Tetrasodium 1,1'-[sulfonylbis(p-phenyleneimino)] bis [3-phenyl-1,3-propanedisulfonate];a leprostatic agent. Synonym: solapsone. (05 Mar 2000) |
| solation | In colloidal chemistry, the transformation of a gel into a sol, as by melting gelatin. (05 Mar 2000) |
| soldanel | <botany> A plant of the genus Soldanella, low Alpine herbs of the Primrose family. Source: Websters Dictionary (01 Mar 1998) |
| solder | 1. A fusible alloy used to unite edges or surfaces of two pieces of metal of higher melting point; hard solder's, usually containing gold or silver as their main constituent, are usually used in dentistry to connect noble metal alloys. 2. To join two pieces of metal with such an alloy. Origin: L. Solido, to make solid, through Fr., various forms (05 Mar 2000) |
| soldier | 1. One who is engaged in military service as an officer or a private; one who serves in an army; one of an organised body of combatants. "I am a soldier and unapt to weep." (Shak) 2. Especially, a private in military service, as distinguished from an officer. "It were meet that any one, before he came to be a captain, should have been a soldier." (Spenser) 3. A brave warrior; a man of military experience and skill, or a man of distinguished valor; used by way of emphasis or distinction. 4. <zoology> The red or cuckoo gurnard (Trigla pini) 5. <zoology> One of the asexual polymorphic forms of white ants, or termites, in which the head and jaws are very large and strong. The soldiers serve to defend the nest. See Termite. Soldier beetle, a large geometrid moth (Euschema militaris), having the wings bright yellow with bluish black lines and spots. <botany> Soldier orchis, a kind of orchis (Orchis militaris). Origin: OE. Souldier, soudiour, souder, OF. Soldier, soldoier, soldeier, sodoier, soudoier, soudier, fr. L. Solidus a piece of money (hence applied to the pay of a soldier), fr. Solidus solid. See Solid, and cf. Sold. Source: Websters Dictionary (01 Mar 1998) |
| soldier's heart | An obsolete term for neurocirculatory asthenia. (05 Mar 2000) |
| soldier's patches | White plaques of hyalinised fibrous tissue situated in the epicardium overlying the right ventricle of the heart where it is not covered by lung. Synonym: soldier's patches. White macroscopic areas in the omentum, due to accumulation of macrophages and lymphocytes. Synonym: tache laiteuse. (05 Mar 2000) |
| soldieress | A female soldier. Source: Websters Dictionary (01 Mar 1998) |