| Snellen | Hermann, Dutch ophthalmologist, 1834-1908. See: Snellen's test types, Snellen's sign. (05 Mar 2000) |
|---|---|
| Snellen's sign | <clinical sign> Bruit heard on auscultation over the eye in a patient with Graves' disease, due to the hyperdynamic circulation. (05 Mar 2000) |
| Snellen's test types | Square black symbols employed in testing the acuity of distant vision; the letters vary in size in such a way that each one subtends a visual angle of 5' at a particular distance. (05 Mar 2000) |
| SNF4 protein kinase | <enzyme> Has been sequenced; appears to activate snf1 protein kinase; a 36 kD protein; do not confuse with cat3 protein, a catalase Registry number: EC 2.7.1.- Synonym: cat3 protein kinase, sci1 gene product (26 Jun 1999) |
| sniff | 1. To draw in with the breath through the nose; as, to sniff the air of the country. 2. To perceive as by sniffing; to snuff, to scent; to smell; as, to sniff danger. Source: Websters Dictionary (01 Mar 1998) |
| sniff test | at fluoroscopy, a test for diaphragmatic function; paradoxical motion of a hemidiaphragm when a patient sniffs vigorously shows phrenic nerve paralysis or paresis of the hemidiaphragm. If rapid upward movement of the diaphragm occurs on brisk sniffing in the supine position, it is highly suggestive of paralysis of the diaphragm. (05 Mar 2000) |
| sniffing | <physiology> A rapid inspiratory act, in which the mouth is kept shut and the air drawn in through the nose. Source: Websters Dictionary (01 Mar 1998) |
| snifting | From Snift. Snifting valve, a small valve opening into the atmosphere from the cylinder or condenser of a steam engine, to allow the escape of air when the piston makes a stroke; so called from the noise made by its action. Source: Websters Dictionary (01 Mar 1998) |
| snigg | <zoology> A small eel. Origin: Cf. Sneak. Source: Websters Dictionary (01 Mar 1998) |
| sniggle | To fish for eels by thrusting the baited hook into their holes or hiding places. Origin: See Snig a kind of eel. Source: Websters Dictionary (01 Mar 1998) |
| snipe | 1. <ornithology> Any one of numerous species of limicoline game birds of the family Scolopacidae, having a long, slender, nearly straight beak. The common, or whole, snipe (Gallinago coelestis) and the great, or double, snipe (G. Major), are the most important European species. The Wilson's snipe (G. Delicata) (sometimes erroneously called English snipe) and the gray snipe, or dowitcher (Macrohamphus griseus), are well-known American species. 2. A fool; a blockhead. Half snipe, the dunlin; the jacksnipe. Jack snipe. See Jacksnipe. Quail snipe. See Quail. Robin snipe, the knot. Sea snipe. Shore snipe, any sandpiper. Snipe hawk, the marsh harrier. Stone snipe, the tattler. Summer snipe, the dunlin; the green and the common European sandpipers. Winter snipe. See Rock snipe, under Rock. Woodcock snipe, the great snipe. Origin: OE. Snipe; akin to D. Snep, snip, LG. Sneppe, snippe, G. Schnepfe, Icel. Snipa (in comp), Dan. Sneppe, Sw. Snappa a sanpiper, and possibly to E. Snap. See Snap, Snaffle. Source: Websters Dictionary (01 Mar 1998) |
| snipefish | <zoology> The bellows fish. A long, slender deep-sea fish (Nemichthys scolopaceus) with a slender beak. Source: Websters Dictionary (01 Mar 1998) |
| snippack | <zoology> The common snipe. Origin: Cf. Snipe. Source: Websters Dictionary (01 Mar 1998) |
| snobbishness | Vulgar affectation or ostentation; mean admiration of mean things; conduct or manners of a snob. Source: Websters Dictionary (01 Mar 1998) |
| snoff | <chemical> A short candle end used for igniting a fuse. Origin: Cf. Snuff. Source: Websters Dictionary (01 Mar 1998) |