164 



GLOSSARY. 



Segmentation (Lat. ser/men'tum, a 

 piece cut off). A dividing or split- 

 ting into segments. 



Segregate (Lat. se, denoting separa- 

 tion ; grex, a flock). To set apart ; 

 select : in botany, separated from 

 each other. 



Sele'niate. A compound of selenic 

 acid with a base. 



Selen'ic (Sele'nium}. Belonging to 

 selenium ; applied to an acid com- 

 posed of one equivalent of selenium 

 with three of oxygen. 



Sele'nious. A term applied to an 

 acid consisting of one equivalent of 

 selenium and two of oxygen. 



Sele'niuret (Sele'nium). A compound 

 of selenium with a metal or other 

 elementary substance. 



Selenog'raphy ((Jr. o-eAiyz/Tj, selene, 

 the moon ; ypcu}><a, graph's, I 

 write). A description of the 

 moon. 



Bella Tur'cica (Lat. a Turkish saddle). 

 A portion of the sphenoid bone 

 in the skull, so named from its 

 shape. 



Sem'aphore (Gr. 0-77^0, se'ma, a sign ; 

 4>epo>, pher'o, I bear). A telegraph ; 

 a means of communicating by sig- 

 nals. 



Semeiolog'ical (Gr. tr-n^iov, semei'on, 

 a sign ; Ao7os, log'os, a discourse). 

 Relating to the doctrine of the 

 signs or symptoms of disease. 



Semeiol'ogy (Gr. ff^fiov, semei'on, a 

 sign ; Ao7os, log'os, a discourse). 

 The part of medicine which de- 

 scribes the signs and symptoms of 

 disease. 



Semeiot'ic (Gr. a"rj/j.iov, semei'on, a 

 sign). Relating to the signs or 

 symptoms of disease. 



Sem'i- (Lat. sem'i, half). A prefix in 

 compound words signifying half. 



Semicir'cular (Lat. sem'i, half; cir 1 - 

 culus, a circle). Having the form 

 of a half circle. 



Semicylin'drical (Lat. sem'i, half; 

 cylinder}. Like a cylinder divided 

 evenly in two from end to end. 



Sem'iformed (Lat. sem'i, half; form' a, 

 form). Half formed ; imperfectly 

 formed. 



Semilig'neous (Lat. sem'i, half; 



liy'num, wood). Woody below and 

 herbaceous at the top. 

 Semilu'nar (Lat. sem'i, half; lu'na, 

 a moon). Resembling a half-moon. 

 Semimem'branous (Lat. sem'i, half; 

 membra 'na, membrane). Half 

 membranous ; applied to one of the 

 muscles of the thigh. 



Seminal (Lat. se'men, a seed). Be- 

 longing to seed; in botany, applied 

 to the cotyledons or seed-leaves. 



Semination (Lat. se'men, seed). The 

 act of sowing : in botany, the 

 natural dispersion of seeds. 



Sem'inude (Lat. sem'i, half ; nu'dus, 

 naked). In botany, applied to 

 seeds of which the seed-vessel opens 

 early, as in the mignonette. 



Semipal'mate (Lat. sem'i, half; pal'- 

 ma, a palm). Having the toes 

 connected by a web, extending 

 along the half nearest to the foot. 



Semipen'niform (Lat. sem'i, half; 

 pen'na, a feather ; for'ma, shape). 

 Penniform on one side only ; ap- 

 plied, in anatomy, to some muscles. 



Semiten'dinous (Lat. sem'i, half; 

 ten'do, a tendon). Half tendinous ; 

 a name given to a muscle of the 

 thigh, which bends the leg. 



Semitic (Shem, the son of Noah). A 

 name given to one of the great 

 families of languages, comprehend- 

 ing the Assyrian, Babylonian, Sy- 

 riac, Phoenician, Hebrew, and Ara- 

 bic languages, with their dialects. 



Sensa'tion (Lat. sen'sus, sense). The 

 faculty by which an animal becomes 

 conscious of impressions made on 

 the extremities of the nerves either 

 by some external body, or by some 

 change or operation within the 

 system. 



Sense (Lat. sen'tio, I perceive). The 

 faculty by which a living being re- 

 ceives the impression of external 

 objects, so that they may be con- 

 veyed to the sensorium or brain. 



Sensibility (Lat. sen'tio, I perceive). 

 The faculty by which an impression 

 made by an external body on the 

 parts or textures of the body is 

 felt. 



Senso'rium (Lat. sen'tio, I perceive). 

 The seat of sensation ; the orgau 



