LUBRICATION 



707 



LUMBRICOID 



mixing with animal or vegetable oils, and it is therefore 

 necessary that they should be thoroughly deodorized, 

 decolorized, and deprived of the blue fluorescence, or 

 "bloom," characteristic of petroleum distillates that 

 contain paraffin. Heavier lubricating oils are called 

 '♦spindle " oils and " cylinder" oils. The most im- 

 portant characters to be possessed by these oils are high 

 tire-test, low cold-test, and a high degree of viscosity, 

 ubrication (lu-brik-a'-shuri) [lubricare, to make 

 smooth]. The process of making smooth or slippery 

 by the application of a lubricant. 



ubricity (lu -bris'-it-e) [lubricare, to make slippery]. 

 A svnonvm of lasciviousness ; slipperiness. 

 ubricous (lu'-brik-us) [lubricus, lubricare, to make 

 smooth]. Smooth, slippery, 

 uca, Horizontal Plane of. See Plane. 

 ucent ylu'-sent) [lucere, to shine]. Bright, shining, 

 ucernal (lu-ser* '-nal) [lucertia, a lamp]. Pertaining 

 to lamp-light, 

 ucet, Bacillus of. See Bacteria, Synonymatic Table 



of. 

 ucid (lu'-sid) [lucidus, clear]. Clear, shining, unob- 

 scured. In biology, having a smooth, shining surface. 

 L. Interval, the transitory return of normal mental 

 action and sanity in certain forms and cases of in- 

 sanity. 



acidity (lu-sid' -it-e) [lucidus, clear] . Clearness ; 

 lucid interval. 



jcidum (lu'-sid-um) [lucidus, clear]. Clear. L., 

 Septum. See Septum. 



uciierase \lu-sif -er-az) [lucifer, light-bringing]. The 

 name applied by Dubois to one of the two diastatic 

 I substances which become phosphorescent when mixed 

 in the presence of water, and which are found in the 

 mollusc, Pholas dactylifera, the mouth of which is 

 luminous. 



uciferin lu-sif'-er-iri) [lux, lucis, light ; ferre, to 

 A crystalline body obtained from the light-pro- 

 ! during organs of certain animals, 

 icifer-match Disease or L. -match Maker's Dis- 

 ease. Necrosis of the jaw due to phosphorus-poi- 

 , soning. 



iciform (lu' -si form) [lux, light ; forma, form]. 

 Resembling light. 



icifugal (lu-sif'-u-gal) [lux, light; fugere, to flee]. 

 Fleeing from or avoiding light. 



icifugous (lu-sif'-u-gus) [lux, light ; fugere, to 

 In biology, applied to organisms that avoid 

 ight. 



icilia (lu-sil'-e-ah) [L.]. A genus of dipterous in- 

 sects, the larvae of which act as facultative parasites, 

 producing various forms of myiasis, a. v. See Para- 

 ges (Animal), Table of. 



u'-sil-in) [lux, lucis, light]. A commercial 

 nixture of lamp-petroleum and brown coal-oil. 

 xina (lusi'-nah) [lux, light]. The goddess of 

 childbirth. L. sine coitu. Parthenogenesis, q. v. 

 xomania < lu-ko-ma'-ne-ah) [/.i^oc, wolf; fiavia, 

 nania]. Same as Lycanthropy, q.v. 

 cuma (lu-ku'-mah) [nat. Peruvian]. A genus of trop- 

 cal American sapotaceous trees. L. caimito, of S. 

 \merica ( called abi and abiaba) is strongly tonic and 

 intiperiodic, and is useful in diarrhea ; other species 

 lave similar qualities. Unof. 



cumin \lu-ku'-min) [lucuma\ A bitter principle 

 wained from Lucuma caimito. It is recommended 

 or use in diarrheas and in intermittent fevers. Dose 

 :r. j-viij. Unof. 



dwig's Angina. A cellulitis of the neck, usually a 

 econdary inflammation in the specific fevers, particu- 

 arly diphtheria and scarlet fever. It may, however, 

 >ccur idiopathically or result from trauma. The 



swelling is marked in the submaxillary region. It is also 

 called Louis's Angina. See Angina, and Diseases, 

 Table of. L.'s Angle (Angulus tudovici), the angle 

 that exists in some cases of emphysema between the 

 manubrium and the body of the sternum. See Angle. 

 L.'s Ganglion. See Ganglia, Table of. 



Liicke's Test. See Tests, Table of. 



Lues {lu'-es) [L.]. Formerly a pestilential disease; at 

 present used as an euphemism for syphilis. L. deifica, 

 L. divina, epilepsy. 



Luetic (lu-et'-ik) [lues, a plague]. Affected with or re- 

 lating to lues ; syphilitic. 



Luffa (luf'-ah) [Arab.]. A genus of cucurbitaceous 

 plants. L. acutangula, the strainer vine, of India, 

 having an edible fruit, a purgative and emetic root, and 

 oil-bearing seeds. L. amara has similar uses. L. 

 cylindrica, the " wash-rag," " towel gourd," or 

 "vegetable sponge," bears a fruit which when dry 

 contains a sponge-like network of fibers. This is some- 

 times used as a substitute for a sponge or towel. L. 

 purgans, of S. America, affords a strongly purgative 

 resin. Unof. 



Lugol's Caustic. A solution of iodin and potassium 

 iodid, of each one part, in water two parts. L.'s So- 

 lution. See Iodin. 



Lumbaginous (lum-baj' -in-us) [lumbus, loin]. Affected 

 with, or pertaining to, lumbago. 



Lumbago (lum-ba'-go) [lumbus, the loin]. Pain in the 

 structures about the loins, whether neuralgic or rheu- 

 matic. 



Lumbar (lum'-bar) [lumbus, the loin]. Pertaining to 

 the loins, especially to the region about the loins. L. 

 Abscess, an abscess in the lumbar region. L. 

 Arteries. See Arteries, Table of. L. Colotomy. 

 See Turn bo- colotomy. L. Myalgia, lumbago. L. 

 Nephrectomy, nephrectomy through an incision in 

 the lumbar region. L. Nephrotomy, nephrotomy 

 through an incision in the lumbar region. L. Nerves. 

 See Nerves, Table of. L. Reflex. See Reflexes, 

 Table of. L. Region. See Abdomen. 



Lumben (lum'-ben) [lumbus, loins]. Belonging to the 

 loin in itself. 



Lumberman's Itch. Same as Army Itch. 



Lumbifragium (lum-bif-ra f je-um) [lumbus, loin; 

 frangere, to break]. Lumbar hernia. 



Lumbiplex (lum'-be-pleks). The lumbar plexus. 



Lumbiplexal (lum-be-pleks'-al) [lumbus, loin ; plexus, 

 net]. Pertaining to the lumbiplex. 



Lumbo-abdominal (lum'-bo-ab-dom f -in-al) [lumbus, 

 loin ; abdomen, abdomen]. Pertaining to the loin and 

 the abdomen. 



Lumbocolotomy (lum' -bo-ko-lot' -o-mc) [lumbus, loin ; 

 Ko'txrv, colon; tout], a cutting]. Colotomy performed 

 in the lumbar region. 



Lumbo-costal (lum-bo-kos / -tal) [lumbus, loin ; costa, 

 rib]. Pertaining to the loins and the ribs. 



Lumbodorsal (lum-bo-dor' '-sal) [lumbus, \o\xi ; dorsum, 

 back]. Pertaining to the lumbar and dorsal regions. 



Lumbodynia (lum-bo-din'-e ah) [lumbus, loin ; bdvvi], 

 pain]. Same as Lumbago. 



Lumbo-inguinal (lum-bo-in'-ga-in-al) [lumbus, loin ; 

 inguen, groin]. Pertaining to the lumbar and in- 

 guinal regions. 



Lumbosacral (lum-bo-sa' -kral) [lumbus, loin ; sacrum , 

 sacrum] . Pertaining to the lumbar and sacral regions. 



Lumbricales (lum-brik-a'-lez). See Muscles, Table of. 



Lumbricide (lum'-bris-id) [lumbricus, earth-worm ; 

 cadere, to kill]. A drug fatal to lumbricoid worms. 



Lumbriciform (lum-bris'-if-orm). See Lumbricoid. 



Lumbricoid (lum'-brik-oid) [lumbricus, earth-worm; 

 etdog, likeness]. Pertaining to, or resembling, a 

 lumbricus. 



