436 ABBREVIATIONS. 



omn. quadr. hor. (L. timni, on every ; quadrant^, in a fourth part ; 

 horce, of an hour), every quarter of an hour. 



P. B. (L. phdrmdcopceia, the Pharmacopoeia ; Britdnntce, of Britain), 

 the British Pharmacopoeia. NOTE. Before the recent Medical Amend- 

 ment Act, there used to exist separate Pharmacopoeias for London, 

 Edinburgh, and Dublin, respectively. These are now merged into 

 the one named above. P. U. S. is the Pharmacopoeia of the United 

 States. 



pocal. (L. poculum}, a cup ; a tea-cup : pocill. (L. pocillum), a little cup. 



post sing. sed. liq. (L. post, after ; singulds, each ; sedts, seats, stools ; 

 liqmdds, liquids), after each loose stool. 



ppt. or prep. (L. proepdrdta}, prepared ; made ready. 



p. r. n. (L. pro, on account of ; re, for or with a thing ; ndta, born), 

 according as circumstances require ; occasionally. 



pulv. (L. pulvis, dust, powder), a powder ; (L. pulverizatus), powdered. 



q. s. (L. qudntum, as much as ; sufficidt, it may be sufficient), as much 

 as may be sufficient. 



quaq. (L. qudqm, lcwa f -kw$), from every one : quisq. (L. quisquV, lewis'' 

 Icwe), every one. 



quor. (L. quorum, of which (things) from quod, which), of which 

 medicines or ingredients. 



I. (L. rMp%), takethou. NOTE. The $ with the down stroke is said 

 to be simply an accommodation or corruption of the anc. heathen 

 symbol 7/ > an invocation to Jupiter for his blessing on the formula 

 as a curative agent : ][ is used also as the astronomical symbol for the 

 planet Jupiter. 



red. in pulv. (L. r&ductus, brought or reduced ; in, to ; pulvVrtm, 

 powder from pulvis, dust, powder), reduced to powder. 



repet. (L. rZp&dtur, it may be repeated), let it be repeated or continued ; 

 (L. r$p&antti,r, they may be repeated), let them be repeated or 

 continued. 



s. a. (L. secundum, according to ; art$m, art from ars, art), according 

 to art. 



semidr. (L. s&midrdchmd, a half drachm from s%mi } half, and drachma], 

 half a drachm. 



semih. (L. sZmihord, a half hour from s&mi, half; hora, an hour), 

 half an hour. 



sescunc. (L. sZscuncia, one and a half uncise from s&sqwt, one half 

 more ; uncid, a twelfth part, an ounce), an ounce and a half. 



sesquih. (L. sesquihord from sesqui, one half more ; fiord, an hour), 

 an hour and a half. 



sign. n. pr. (L. siynetur, it may be marked or stamped ; or signa, 

 mark thou ; nominZ, with the name from nomen, the name ; pro- 

 pri6, with proper), let it be stamped or marked with its proper name, 

 that is, no special directions are required. NOTE. The directions for 

 the patient are always written in English, but for the druggist they 

 are written in Latin. 



signat. (mid. L. signatura), a label. 



sing. (L. singulortim, of one to each from singull t one to each, single), 

 of each. 



sol. (L. stilutid"), a solution. 



as. (L. semi}, half. 



