| sleepy | 1. Drowsy; inclined to, or overcome by, sleep. "She waked her sleepy crew." (Dryden) 2. Tending to induce sleep; soporiferous; somniferous; as, a sleepy drink or potion. 3. Dull; lazy; heavy; sluggish. "'Tis not sleepy business; But must be looked to speedily and strongly." (Shak) 4. Characterised by an absence of watchfulness; as, sleepy security. <zoology> Sleepy duck, the ruddy duck. Origin: AS. Slpig. See Sleep. Source: Websters Dictionary (01 Mar 1998) |
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| sleepyhead | 1. A sleepy person. "To bed, to bed, says Sleepyhead." (Mother Goose) 2. <zoology> The ruddy duck. Source: Websters Dictionary (01 Mar 1998) |
| sleeve graft | A graft for repairing a severed nerve by connecting central and peripheral ends with a sleevelike structure, commonly, a segment of vein. (05 Mar 2000) |
| sleevefish | <zoology> A squid. Source: Websters Dictionary (01 Mar 1998) |
| slender | 1. Small or narrow in proportion to the length or the height; not thick; slim; as, a slender stem or stalk of a plant. "A slender, choleric man." "She, as a veil down to the slender waist, Her unadorned golden tresses wore." (Milton) 2. Weak; feeble; not strong; slight; as, slender hope; a slender constitution. "Mighty hearts are held in slender chains." (Pope) "They have inferred much from slender premises." (J. H. Newman) "The slender utterance of the consonants." (J. Byrne) 3. Moderate; trivial; inconsiderable; slight; as, a man of slender intelligence. "A slender degree of patience will enable him to enjoy both the humor and the pathos." (Sir W. Scott) 4. Small; inadequate; meager; pitiful; as, slender means of support; a slender pittance. "Frequent begging makes slender alms." (Fuller) 5. Spare; abstemious; frugal; as, a slender diet. "The good Ostorius often deigned To grace my slender table with his presence." (Philips) 6. Uttered with a thin tone; the opposite of broad; as, the slender vowels long e and i. Slen"derly, Slen"derness. Origin: OE. Slendre, sclendre, fr. OD. Slinder thin, slender, perhaps through a French form; cf. OD. Slinderen, slidderen, to creep; perh. Akin to E. Slide. Source: Websters Dictionary (01 Mar 1998) |
| slender fasciculus | gracile fasciculus |
| slender lobule | The anterior portion of the posteroinferior lobule of the cerebellum, the posterior portion being the semilunar lobule inferior; the two correspond to the tuber of the vermis. Synonym: lobulus gracilis, slender lobule. (05 Mar 2000) |
| slender process of malleus | A slender spur running anteriorward from the neck of the malleus toward the petrotympanic fissure. Synonym: processus anterior mallei, Folli's process, follian process, long process of malleus, processus gracilis, processus ravii, Rau's process, Ravius' process, slender process of malleus. (05 Mar 2000) |
| slepez | <zoology> A burrowing rodent (Spalax typhlus), native of Russia and Asia Minor. It has the general appearance of a mole, and is destitute of eyes. Synonym: mole rat. Origin: Russ. Sliepets'. Source: Websters Dictionary (01 Mar 1998) |
| sleuthhound | <zoology> A hound that tracks animals by the scent; specifically, a bloodhound. [Spelt variously slouthhound, sluthhound, etc. See: Sleuth, and cf. Slothound. Source: Websters Dictionary (01 Mar 1998) |
| slew rate | In electronic pacemaker function, the maximum rate of change of an amplifier output voltage; important variable affecting heart function as controlled by an electronic pacemaker. Sensing circuits in the pacemaker often respond to the slew rate rather than to the absolute amplitude of the voltage pulse. (05 Mar 2000) |
| slice | 1. A thin, broad piece cut off; as, a slice of bacon; a slice of cheese; a slice of bread. 2. That which is thin and broad, like a slice. Specifically: A broad, thin piece of plaster. A salver, platter, or tray. A knife with a thin, broad blade for taking up or serving fish; also, a spatula for spreading anything, as paint or ink. A plate of iron with a handle, forming a kind of chisel, or a spadelike implement, variously proportioned, and used for various purposes, as for stripping the planking from a vessel's side, for cutting blubber from a whale, or for stirring a fire of coals; a slice bar; a peel; a fire shovel. A removable sliding bottom to galley. Slice bar, a kind of fire iron resembling a poker, with a broad, flat end, for stirring a fire of coals, and clearing it and the grate bars from clinkers, ashes, etc.; a slice. Origin: OE. Slice, sclice, OF. Esclice, from esclicier, esclichier, to break to pieces, of German origin; cf. OHG. Slizan to split, slit, tear, G. Schleissen to slit. See Slit. Source: Websters Dictionary (01 Mar 1998) |
| slick | <chemistry> See Schlich. Source: Websters Dictionary (01 Mar 1998) |
| slickens | <chemical> The pulverized matter from a quartz mill, or the lighter soil of hydraulic mines. Origin: Cf. Slick. Source: Websters Dictionary (01 Mar 1998) |
| slicking | 1. The act or process of smoothing. 2. <chemical> Narrow veins of ore. Source: Websters Dictionary (01 Mar 1998) |