Sulcate, Sulcated Sul"cate, Sul"ca·ted adjective [ Latin sulcatus , past participle of sulcare to furrow, from sulcus a furrow.] Scored with deep and regular furrows; furrowed or grooved; as, a sulcated stem.

Sulcation Sul·ca"tion noun A channel or furrow.

Sulciform Sul"ci·form adjective Having the form of a sulcus; as, sulciform markings.

Sulcus Sul"cus noun ; plural Sulci . [ Latin , a furrow.] A furrow; a groove; a fissure.

Suleah fish Su"le·ah fish` (Zoology) A coarse fish of India, used in making a breakfast relish called burtah .

Sulk Sulk noun [ Latin sulcus .] A furrow. [ Obsolete]

Sulk Sulk intransitive verb [ See Sulkiness .] To be silently sullen; to be morose or obstinate. T. Hook.

Sulker Sulk"er noun One who sulks.

Sulkily Sulk"i·ly adverb In a sulky manner.

Sulkiness Sulk"i·ness noun [ For sulkenness , from Anglo-Saxon solcen slothful, remiss, in ā solcen , be solcen , properly past participle of sealcan in ā sealcan to be weak or slothful; of uncertain origin.] The quality or state of being sulky; sullenness; moroseness; as, sulkiness of disposition.

Sulks Sulks noun plural The condition of being sulky; a sulky mood or humor; as, to be in the sulks .

Sulky Sulk"y adjective [ Compar. Sulkier ; superl. Sulkiest .] [ See Sulkiness , and confer Sulky , noun ] Moodly silent; sullen; sour; obstinate; morose; splenetic. Syn. -- See Sullen .

Sulky Sulk"y noun ; plural Sulkies . [ From Sulky , adjective ; -- so called from the owner's desire of riding alone.] A light two-wheeled carriage for a single person. » Sulky is used adjectively in the names of several agricultural machines drawn by horses to denote that the machine is provided with wheels and a seat for the driver; as, sulky plow; sulky harrow; sulky rake, etc.

Sull Sull noun [ Anglo-Saxon suluh , sulh , a plow; confer Old High German suohili a little plow.] A plow. [ Obsolete] Ainsworth.

Sullage Sul"lage noun [ Confer Suillage , Sulliage .] 1. Drainage of filth; filth collected from the street or highway; sewage. [ Obsolete]

The streets were exceedingly large, well paved, having many vaults and conveyances under them for sullage .

Evelyn. 2. That which sullies or defiles. [ Obsolete]

It is the privilege of the celestial luminaries to receive no tincture, sullage , or difilement from the most noisome sinks and dunghills here below.

South. 3. (Founding) The scoria on the surface of molten metal in the ladle. 4. (Hydraul. Engin.) Silt; mud deposited by water. Sullage piece (Founding) , the sprue of a casting. See Sprue , noun , 1 (b) .

Sullen Sul"len adjective [ Middle English solein , solain , lonely, sullen; through Old French from (assumed) Late Latin solanus solitary, from Latin solus alone. See Sole , adjective ] 1. Lonely; solitary; desolate. [ Obsolete] Wyclif (Job iii. 14). 2. Gloomy; dismal; foreboding. Milton.

Solemn hymns so sullen dirges change.

Shak. 3. Mischievous; malignant; unpropitious.

Such sullen planets at my birth did shine.

Dryden. 4. Gloomily angry and silent; cross; sour; affected with ill humor; morose.

And sullen I forsook the imperfect feast.

Prior. 5. Obstinate; intractable.

Things are as sullen as we are.

Tillotson. 6. Heavy; dull; sluggish. "The larger stream was placid, and even sullen , in its course." Sir W. Scott. Syn. -- Sulky; sour; cross; ill-natured; morose; peevish; fretful; ill-humored; petulant; gloomy; malign; intractable. -- Sullen , Sulky . Both sullen and sulky show themselves in the demeanor. Sullenness seems to be an habitual sulkiness, and sulkiness a temporary sullenness. The former may be an innate disposition; the latter, a disposition occasioned by recent injury. Thus we are in a sullen mood, and in a sulky fit.

No cheerful breeze this sullen region knows;
The dreaded east is all the wind that blows.

Pope. -- Sul"len*ly , adverb -- Sul"len*ness , noun

Sullen Sul"len noun 1. One who is solitary, or lives alone; a hermit. [ Obsolete] Piers Plowman. 2. plural Sullen feelings or manners; sulks; moroseness; as, to have the sullens . [ Obsolete] Shak.

Sullen Sul"len transitive verb To make sullen or sluggish. [ Obsolete]

Sullens the whole body with . . . laziness.

Feltham.

Sullevate Sul"le·vate transitive verb [ Latin sublevare to raise up. Confer Sublevation .] To rouse; to excite. [ Obsolete] Daniel.

Sulliage Sul"li·age noun [ Confer Sullage , Suillage , or Sully , transitive verb ] Foulness; filth. [ Obsolete]

Though we wipe away with never so much care the dirt thrown at us, there will be left some sulliage behind.

Gov. of Tongue.

Sully Sul"ly transitive verb [ imperfect & past participle Sullied ; present participle & verbal noun Sullying .] [ Middle English sulien , Anglo-Saxon sylian , from sol mire; akin to German suhle mire, sich , sühlen to wallow, Swedish söla to bemire, Danish söle , Goth. bi saulijan to defile.] To soil; to dirty; to spot; to tarnish; to stain; to darken; -- used literally and figuratively; as, to sully a sword; to sully a person's reputation.

Statues sullied yet with sacrilegious smoke.

Roscommon.

No spots to sully the brightness of this solemnity.

Atterbury.

Sully Sul"ly intransitive verb To become soiled or tarnished.

Silvering will sully and canker more than gilding.

Bacon.

Sully Sul"ly noun ; plural Sullies Soil; tarnish; stain.

A noble and triumphant merit breaks through little spots and sullies in his reputation.

Spectator.

Sulphacid Sulph·ac"id noun [ Sulpho- + acid .] (Chemistry) An acid in which, to a greater or less extent, sulphur plays a part analogous to that of oxygen in an oxyacid; thus, thiosulphuric and sulpharsenic acids are sulphacids ; -- called also sulphoacid . See the Note under Acid , noun , 2.

Sulphamate Sulph·am"ate noun (Chemistry) A salt of sulphamic acid.

Sulphamic Sulph·am"ic adjective (Chemistry) Of or pertaining to a sulphamide; derived from, or related to, a sulphamide; specifically, designating an amido acid derivative, NH ₂ .SO ₂ .OH, of sulphuric acid (analogous to sulphonic acid) which is not known in the free state, but is known in its salts.

Sulphamide Sulph·am"ide noun (Chemistry) Any one of a series of amido compounds obtained by treating sulphuryl chloride with various amines.

Sulphanilic Sulph`a·nil"ic adjective [ From sulph uric + ani lene.] (Chemistry) Of, pertaining to, or designating, an anilene sulphonic acid which is obtained as a white crystalline substance.

Sulphantimonate Sulph·an`ti·mo"nate noun (Chemistry) A salt of sulphantimonic acid.

Sulphantimonic Sulph·an`ti·mon"ic adjective [ Sulph o- + antimonic .] (Chemistry) Of, pertaining to, or designating, a hypothetical sulphacid of antimony (called also thioantimonic acid ) analogous to sulpharsenic acid.

Sulphantimonious Sulph·an`ti·mo"ni·ous adjective (Chemistry) Of, pertaining to, or designating, a hypothetical sulphacid of antimony (called also thioantimonious acid ) analogous to sulpharsenious acid.

Sulphantimonite Sulph·an"ti·mo·nite` noun (Chemistry) A salt of sulphantimonious acid.

Sulpharsenate Sulph·ar"se·nate noun (Chemistry) A salt of sulpharsenic acid.

Sulpharsenic Sulph`ar·sen"ic adjective [ Sulph o- + arsenic .] (Chemistry) Of, pertaining to, or designating, a hypothetical sulphacid (called also thioarsenic acid ) analogous to arsenic acid, and known only in its salts.

Sulpharsenious Sulph`ar·se"ni·ous adjective (Chemistry) Of, pertaining to, or designating, a hypothetical sulphacid (called also thioarsenious acid ) analogous to arsenious acid, and known only in its salts.

Sulpharsenite Sulph·ar"se·nite noun (Chemistry) A salt of sulpharsenious acid.

Sulphate Sul"phate noun [ New Latin sulphas , sulphatis , from Latin sulphur , sulfur , brimstone, sulphur: confer French sulfate .] (Chemistry) A salt of sulphuric acid.

Sulphatic Sul·phat"ic adjective (Chemistry) Of, pertaining to, resembling, or containing, a sulphate or sulphates.

Sulphato- Sul"pha·to- (Chemistry) A combining form (also used adjectively) denoting a sulphate as an ingredient in certain double salts; as, sulphato -carbonate. [ R.]

Sulphaurate Sulph·au"rate noun (Chemistry) A salt of sulphauric acid.

Sulphauric Sulph·au"ric adjective [ Sulph o- + aurum .] (Chemistry) Of, pertaining to, or designating, a hypothetical sulphacid of gold ( aurum ), known only in its salts.

Sulphide Sul"phide noun (Chemistry) A binary compound of sulphur, or one so regarded; -- formerly called sulphuret . Double sulphide (Chemistry) , a compound of two sulphides. -- Hydrogen sulphide . (Chemistry) See under Hydrogen . -- Metallic sulphide , a binary compound of sulphur with a metal.

Sulphinate Sul"phi·nate noun (Chemistry) A salt of a sulphinic acid.

Sulphindigotic Sulph·in`di·got"ic adjective (Chemistry) Of, pertaining to, or designating, a sulphonic acid obtained, as a blue solution, by dissolving indigo in sulphuric acid; -- formerly called also cerulic sulphuric acid, but properly called indigo-disulphonic acid .

Sulphine Sul"phine noun (Chemistry) Any one of a series of basic compounds which consist essentially of sulphur united with hydrocarbon radicals. In general they are oily or crystalline deliquescent substances having a peculiar odor; as, trimethyl sulphine , (CH ₃ ) ₃ S.OH. Confer Sulphonium .

Sulphinic Sul·phin"ic adjective (Chemistry) Of, pertaining to, or designating, any one of a series of acids regarded as acid ethereal salts of hyposulphurous acid; as, methyl sulphinic acid, CH ₃ .SO.OH, a thick unstable liquid.

Sulphinide Sul"phi·nide noun [ Sulph o- + am in e + anhydr ide .] (Chemistry) A white or yellowish crystalline substance, C ₆ H ₄ .(SO ₂ .CO).NH, produced artificially by the oxidation of a sulphamic derivative of toluene. It is the sweetest substance known, having over two hundred times the sweetening power of sugar, and is known in commerce under the name of saccharine . It has acid properties and forms salts (which are inaccurately called saccharinates ). I. Remsen.

Sulphion Sul"phi·on noun [ Sulph o- + ion .] (Chemistry) A hypothetical radical, SO ₄ , regarded as forming the acid or negative constituent of sulphuric acid and the sulphates in electrolytic decomposition; -- so called in accordance with the binary theory of salts. [ Written also sulphione .]

Sulphionide Sulph·i"on·ide noun (Chemistry) A binary compound of sulphion, or one so regarded; thus, sulphuric acid, H...SO..., is a sulphionide .

Sulphite Sul"phite noun [ Confer French sulfite . See Sulphur .] (Chemistry) A salt of sulphurous acid.