feYM ( 



STCE SILVER. A silver currency among 

 the Chinese. 



SYCO'SIS, } 1. A wart or excrescence on 



STCO'MA. j the eyelid, <fce., resembling a 



fig (ft/xev)- 2. A cutaneous disease, 



which consists in an eruption of inflamed 

 but not hard tubercles, occurring on the 

 bearded portion of the face and on the 

 scalp, usually clustered together in irre- 

 gular patches. 



SY'EXITE. See SIENITB. 



SYLLABLE, (rvMct6r.. A simple or com- 

 pound sound, pronounced, with all its 

 articulations, by a single impulsion of the 

 voice. 



SYI/LABBS, nXXetSos- An abstract or 

 compendium containing the heads of a 

 discourse, course of lectures, book, &c. 



SYLLEP'SIS, (ruXA'/n^?. substitution. A 

 figure in grammar by which the sense of 

 a word is modified by being put in the 

 place of another word. Also the agree- 

 ment of a verb or adjective, not with the 

 word next it, but with the most import- 

 ant in the sentence, as rex et regina beati. 



SYi/LOGisM.o-t/AAoy/^of , from <ruv, and 

 Asy*, to speak. A form of reasoning 

 or argument consisting of three proposi- 

 tions, of which the two first are called 

 premises, and the last the conclusion which 

 must arise necessarily from the premises, 

 so that if the first two propositions are 

 true, the conclusion must be true, and 

 the arguments amount to a demon- 

 stration. Example : 



Plants have not the power of 1 

 locomotion . . . Major > premises. 



A tree is a plant . . Minor ) 



Therefore a tree has not the 

 power of locomotion . Conclusion. 



SYLPH, Gr. nAi- A kind of insect. 

 The name given to the spirits of air in the 

 nomenclature of Rosicrucians and Caba- 

 lists. 



SYL'VANITE. An ore of tellurium found 

 in the mine of Mariahilf, in the moun- 

 tains of Fatzbay, near Zalethna, in Tran- 

 sylvania. It is of a bluish- white colour 

 and metallic lustre, and contains 92i of 

 the metal. 



SYM'BOL, e-vfdZoXov. A type. That 

 which contains in its figure a represen- 

 tation of something else. 



SYMPATHETIC INK. A name for those 

 inks with which the writing does not ap- 

 pear until ome re-agent gives it opacity. 

 Thus writing is invisible with, (1). A 

 weak solution of galls, till the paper is 

 moistened with a solution of sulphate of 

 iron ; (2.) "With a dilute solution of prus- 

 siate of potash, till wetted with a solu- 

 tion of sulphate of iron ; (3.) With ni- 

 trate of cobalt, till heated ; (4.) With 

 solution ot gold or silver, till exposed to 

 tbt light of the sun ; (5.) With a solution 



6 g YN 



of equal parts of sulphate of copper and 

 sal ammoniac, till heated, &c. 



SYMPATHETIC NEBVE. The intercostal 

 nerve. 



SYM'PHONY, Lat. symphonia, Gr. rvft- 

 PAIV/, from tnt and (puny, voice. 1. In 

 music, a consonance or concert of instru- 

 ments. 2. An overture or other com- 

 position for instruments. 3. A musical 



instrument mentioned by French writers. 



SYM'FUYSIS, Lat. from trv/jt^iMt, to grow 

 together. Mediate connection. Applied 

 in anatomy to a genus of the connection 

 of bones in which they are united by 

 means of an intervening body. It com- 

 prehends synchondrosis, syssarcosis, syn- 

 neurosis, and syndesmosis. 



SYM'PHYTCM. Comfrey. A genus of 

 perennial plants. Pentandria Monogy- 

 nia. Name from <n>[*fv*, to unite, be- 

 cause it was considered good for promot- 

 ing cicatrisation of wounds. The offici- 

 nal and the tuberous comfrey are the 

 British types of the genus. All the spe- 

 cies are perennial and hardy. 



SYMPIESOM'BTER. A kind of barometer 

 contrived with a bent glass tube contain- 

 ing oil in the shaded part, 

 and hydrogen gas in the 

 unshaded part; the tube 

 is open at a, but close at 

 b. The pressure of the 

 atmosphere is known by 

 the space which the hy- 

 drogen occupies in the 

 tube. The instrument is 

 nferior in accuracy to the 

 common barometer. 



S YMPxoMAToi/oGY.from ffvtLTTUfJM, and 

 kvytf > discourse. The doctrine of symp- 

 toms. 



SYNARTHRO'SIS, from fuvaad^oa, to ar- 

 ticulate. A mode of connection of bones 

 in which they do not admit of motion on 

 each other. 



SYNCHONDRO'SIS, from mv and evS|?, 

 a cartilage. A species of symphysis* in 

 which the bone is united with another 

 by means of an intervening cartilage, e.g., 

 the vertebra. 



SYNCHORE'SIS, mv^ca^tri';. Concession. 

 A rhetorical figure, wherein an argument 

 is scoflBngly conceded, for the purpose .of 

 retorting more pointedly. 



SYNCHRONISM, from truv, together, and 

 %%oin>s, time. A concurrence of events 

 happening at the same time. 



SYNCLIN'ICAL LINES. In geology, lines 

 which form ridges and troughs, running 

 nearly parallel to each other. 



SYNCOPA'TION, from syncope. 1. The 

 construction of a word by the omission 



of a letter : called also synaresis. 2. In 



music, an interruption of the common 



useful, but 



