SULPHOLEIN 



1432 



SUN 



Sulpholein (sul-fo'-le-in). See Sulphoricineolic Acid. 



Sulphonal (sul'-fo-nal) [sulphur, sulphur], C 7 H 16 S 2 4 . 

 Acetone-diethylsulphone. It is soluble in ioo parts 

 of water at l6° C, in 20 parts at loo C. , and readily 

 soluble in alcohol ; it crystallizes in colorless leaflets or 

 plates that melt at 126 C. , and is odorless and taste- 

 less ; in doses of from 8 to 45 grains it is used as an 

 hypnotic. Unof. 



Sulphone (sul'-fon) [sulphur, sulphur]. One of the 

 products of the union of two oxygen atoms with an 

 alkyl sulphid. 



Sulphoricinoleic Acid (sul-fo-ri-sin-o-le'-ili). See Acid. 



Sulpho-salt (sul' -fo-sawlt) [sulphur, sulphur ; ME., 

 salt, salt]. A salt in which sulphur takes the place 

 of oxygen in the acid radicle. 



Sulphoxid (sul-foks'-id) [sulphur, sulphur ; of vc, acid]. 

 One of the products of the 1 union of one oxygen atom 

 with an alkyl sulphid. 



Sulphur (sul'-fer) [L. : gen., Sulphuris\ Brimstone. 

 S = 32 ; quantivalence II, IV, vi. A non-metallic ele- 

 ment distinguished by its yellow color and crystalline 

 properties. It is one of the acid elements, and unites 

 with oxygen to form the most powerful acid radicles. 

 It is laxative and diaphoretic, and, long administered, 

 causes emaciation and anemia. See Elements, Table 

 of. S., Confectio (B.P.). Dose gr. x-^ij. S. 

 Dioxid, S0 2 , a colorless gas, of irritating odor, formed 

 by the combustion of sulphur, and in the presence of 

 moisture acting as a powerful bleaching and disinfect- 

 ing agent. S., Flowers of, sublimed sulphur ob- 

 tained in the form of light-yellow, powdery flakes. 

 S. iodidum, I 2 S 2 , used as an ointment, gr. xxx-^j. S. 

 iodid, Ung. (B. P.), contains melted and hard par- 

 affin and iodid of sulphur. S., Liver of, potassa 

 sulphurata, a mixture of potassium trisulphid and 

 potassium trisulphate. S. lotum, washed sulphur, 

 prepared by digesting sublimed sulphur with water 

 of ammonia, and afterward washing. S. prsecipita- 

 tum, lac sulphur, " milk of sulphur ; " a white, amor- 

 phous powder, devoid of taste and odor, prepared 

 by decomposing calcium sulphid with hydrochloric 

 acid. Dose gr. x-^j. S. rotundum, roll sulphur, 

 sublimed sulphur cast into rolls. S. sublimatum, 

 sublimed sulphur. Dose gr. x-lx. S., Trochisci 

 (B. P.), each contains grs. v of sulphur. Dose 1 to 6. 

 S., Ung., sublimed sulphur 30, benzoinated lard 70 

 parts. S., Ung., Alkalinum, washed sulphur 20, 

 potassium carbonate 10, water 5 , benzoinated lard 65 

 parts. 



Sulphurain (sul'-fu-ran). See Glain'n. 



Sulphurate (sul'-fu-rdt) [sulphur, sulphur]. To im- 

 pregnate with sulphur. 



Sulphurated (suF -fu-ra-ted') [sulphur, sulphur]. A 

 term applied to substances which contain or are com- 

 bined with sulphur. 



Sulphuration (sul -fu-ra'- shun) [sulphur, sulphur]. 

 The act of dressing, anointing, or impregnating with 

 sulphur. 



Sulphur-bath. See Bath. 



Sulphuret (suF-fu-ret) [sulphur, sulphur]. A sulphid. 



Sulphureted (sul' -fu-ret-ed) [sulphur, sulphur]. Hav- 

 ing sulphur in combination. S. Hydrogen. See 

 Acid, Hydrosulphuric. 



Sulphuretum (sul- fu-re' -turn) [sulphur, sulphur : gen., 

 Sulphureti], A sulphid. 



Sulphuric (sul-fu'-rih) [sulphur, sulphur]. In chemis- 

 try, a technical name given to the anhydrid and de- 

 rived acid of sulphur trioxjd, SO,. See Acid, Sul- 

 phuric. S. Acid (Nordhausm), sulphuric acid con- 

 taining more or less sulphur trioxid (SO,). It has a 

 specific gravity of 1.860 to 1.9, and is obtained by the 

 distillation of dried ferrous sulphate. 



Sulphuring (suF -fer-ing) [sulphur, sulphur]. Bleach 

 ing (e.g., dried fruit) with sulphurous acid. 



Sulphurous (sul-fu'-rus, or sul' -fu-rus) [sulphur, sul- 

 phur]. Of the nature of sulphur. In chemistry, a 

 technical name applied to the acids and anhydrid 

 derived from sulphur dioxid, S0 2 . See Acid, Sulphu- 

 rous. S. -acid Bath. See Bath. 



Sulphydrate (sulfhi'-drdt) [sulphur, sulphur ; 

 water]. One of the so-called salts of sulphydric acid. 

 A compound of a metal with the univalent radicle 

 SH. 



Sulphydric (sulf-hF-drik). See Acid, Hydrosulphuric. 

 S. Acid. Same as Sulphureted. 



Sumac, Sumach (su'-mak) [Ar., summoq, sumac]. 

 The powdered leaves, peduncles, and young branches 

 of Rhus coriaria, R. cotinus, and other species of Rhus. 

 used in the manufacture of leather. Sumac contain.- 

 from 16 to 24 per cent, of a tannin that seems to be 

 identical with gallotannic acid. See Rhus. 



Sumbul (sum'-bul) [Hind., sumbul, spikenard]. Musk 

 root ; the root of Ferula sumbul, which is distill 

 guished by a musk-like odor and a bitter, balsamu; 

 taste. It contains angelic and valerianic acids, and i 

 an excellent nerve-tonic, much used in Russia. It i.-i 

 useful as a substitute for musk in nervous aft'ei 

 typhoid fever, etc. Dose gr. xxx-^j. S., Tinctura 

 10 per cent. Dose 3 j— iv. S., Tinctura (B.P, 

 Dose TTLx— xxx. 



Summation (sum-a' ' -shun)[summatio\ Theaccumula: 

 tion of effects, especially of those of muscular, sensorv 

 or mental stimuli. S. of Stimuli, if a stimulus hi 

 insufficient to cause contraction of a muscle be repeat 

 edly applied in proper tempo and strength, contractio; ' 

 will finally be produced. Similar summation 

 in nervous tissue, and the cardiac contractions exhil ; 

 a rhythm of increased force, called Staircase 

 Treppe Rhythm. 



Summational (sum-a' -shun-aF) [summatio, a summing 

 up]. Produced by summation. S. Tones, sup 

 production of new tones by the summation or additi<>: 

 of the number of vibrations of existing tones. 



Summer (sum'-er) [ME., somer, summer]. Tit 

 son of greatest heat. Also, applied to things com 

 with that season. S. Catarrh. See Hay-fever. S 

 Complaint. See Cholera infantum. S. Granula 

 tions. See Trachoma. S. Prurigo. See /' 

 aestivalis. S. Rash, same as Lichen tropicus. S 

 Savory, the leaves of Satureia hortensis, stimulant 

 carminative, and emmenagogue. Dose of the fid. ext | 

 3J-iv. Unof. 



Sun [ME., sunne, sun]. The central body of thi 

 solar system. S.-bath. See Bath. S.-burn, si 

 ficial inflammation of the skin caused by exposu 

 the sun. Also, the bronzing of the skin from 

 exposure to the sun or heat. S.-dew. See £> 

 S. -fever. I. A name loosely applied to severe r 

 of various fevers of the tropical regions, as dei 

 2. A synonym for Simple Continued Fever. 

 Insolation. S. -flower, the seeds of the comm." 

 flower, Helianthus annuus. They contain n 

 and other extractive matters. The oil is nol ii 

 in taste to olive-oil. The plant is expectorant 

 diuretic. Dose of the decoction ad lib. : of the fl 

 ext. 3J-ij. Unof. S. -flower Retina (or M<> 

 S. -flower Appearance, a rare condition <>i <•' 

 macular region in which there is some likeness I 

 appearance of the petals of the sunflower. S. -flower 

 Wild. See Grindelia. S.-gold. See 

 Conspectus of. S.-pain, a form of brow-ague appearm 

 in the morning and disappearing at night, ami no- 

 vated by sunlight. S.-star. See Solaster. S. -strict i 

 Same as S. -struck. S. -stroke, a popular term fot 



