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Sinistrin

A mucilaginous carbohydrate, resembling achroodextrin, extracted from squill as a colorless amorphous substance; -- so called because it is levorotatory.

Sinistrorsal

Rising spirally from right to left (of the spectator); sinistrorse.

Sinistrorse

Turning to the left (of the spectator) in the ascending line; -- the opposite of dextrorse. See Dextrorse.

Sinistrous

Being on the left side; inclined to the left; sinistral.

Sinistrously

In a sinistrous manner; perversely; wrongly; unluckily.

Sink

A drain to carry off filthy water; a jakes.

Sinker

One who, or that which, sinks. A weight on something, as on a fish line, to sink it. In knitting machines, one of the thin plates, blades, or other devices, that depress the loops upon or between the needles.

Sinological

Relating to the Chinese language, literature or culture.

Sinologist

A student of China and the Chinese; one versed in the Chinese language, literature, history, politics and culture. Same as sinologue.

Sinologue

A student of China and the Chinese; one versed in the Chinese language, literature, history, politics and culture.

Sinology

That branch of systemized knowledge which treats of the Chinese, their language, literature, etc.

Sinopite

A brick-red ferruginous clay used by the ancients for red paint.

Sinter

Dross, as of iron; the scale which files from iron when hammered; -- applied as a name to various minerals.

Sintoc

A kind of spice used in the East Indies, consisting of the bark of a species of Cinnamomum.

Sinuate

To bend or curve in and out; to wind; to turn; to be sinuous.

Sinuous

Bending in and out; of a serpentine or undulating form; winding; crooked.

Sinus

An opening; a hollow; a bending.

Sinusoid

The curve whose ordinates are proportional to the sines of the abscissas, the equation of the curve being y = a sin x. It is also called the curve of sines.

Sinusoidal

Of or pertaining to a sinusoid; like a sinusoid.

Sioux

A nation of American Indians; see Dakotas.

Sip

The act of sipping; the taking of a liquid with the lips.

Sipe Seep

To run or soak through fine pores and interstices; to ooze.

Siphoid

A siphon bottle. See under Siphon, n.

Siphon

To convey, or draw off, by means of a siphon, as a liquid from one vessel to another at a lower level.

Siphonal

Of or pertaining to a siphon; resembling a siphon.

Siphonarid

Any one of numerous species of limpet-shaped pulmonate gastropods of the genus Siphonaria. They cling to rocks between high and low water marks and have both lunglike organs and gills.

Siphonata

A tribe of bivalve mollusks in which the posterior mantle border is prolonged into two tubes or siphons. Called also Siphoniata. See Siphon, 2 (a), and Quahaug.

Siphonet

One of the two dorsal tubular organs on the hinder part of the abdomen of aphids. They give exit to the honeydew. See Illust. under Aphis.

Siphonia

A former name for a euphorbiaceous genus (Hevea) of South American trees, the principal source of caoutchouc.

Siphonifer

Any cephalopod having a siphonate shell.

Siphoniferous

Siphon-bearing, as the shell of the nautilus and other cephalopods.

Siphonium

A bony tube which, in some birds, connects the tympanium with the air chambers of the articular piece of the mandible.

Siphonobranchiata

A tribe of gastropods having the mantle border, on one or both sides, prolonged in the form of a spout through which water enters the gill cavity. The shell itself is not always siphonostomatous in this group.

Siphonobranchiate

Having a siphon, or siphons, to convey water to the gills; belonging or pertaining to the Siphonobranchiata. One of the Siphonobranchiata.

Siphonophora

An order of pelagic Hydrozoa including species which form complex free-swimming communities composed of numerous zooids of various kinds, some of which act as floats or as swimming organs, others as feeding or nutritive zooids, and others as reproductive zooids. See Illust. under Physallia, and Porpita.

Siphonophoran

Belonging to the Siphonophora. One of the Siphonophora.

Siphonopoda

A division of Scaphopoda including those in which the foot terminates in a circular disk.

Siphonostomata

A tribe of parasitic copepod Crustacea including a large number of species that are parasites of fishes, as the lerneans. They have a mouth adapted to suck blood. An artificial division of gastropods including those that have siphonostomatous shells.

Siphonostomatous

Having the front edge of the aperture of the shell prolonged in the shape of a channel for the protection of the siphon; -- said of certain gastropods. Pertaining to the Siphonostomata.

Siphonostome

Any parasitic entomostracan of the tribe Siphonostomata. A siphonostomatous shell.

Siphuncle

The tube which runs through the partitions of chambered cephalopod shells.

Sipid

Having a taste or flavorl savory; sapid.

Sippet

A small sop; a small, thin piece of toasted bread soaked in milk, broth, or the like; a small piece of toasted or fried bread cut into some special shape and used for garnishing.

Sipunculacea

A suborder of Gephyrea, including those which have the body unarmed and the intestine opening anteriorly.

Sipunculoid

Pertaining to the Sipunculoidea. One of the Sipunculoidea.

Sipunculoidea

Same as Gephyrea. In a restricted sense, same as Sipunculacea.

Sipy Seepy

Oozy; -- applied to land under cultivation that is not well drained.

Sir

A man of social authority and dignity; a lord; a master; a gentleman; -- in this sense usually spelled sire.

Sircar

A Hindoo clerk or accountant.

Sirdar

A native chief in Hindostan; a headman.

Sire

To beget; to procreate; -- used of beasts, and especially of stallions.

Siredon

The larval form of any salamander while it still has external gills; especially, one of those which, like the axolotl (Amblystoma Mexicanum), sometimes lay eggs while in this larval state, but which under more favorable conditions lose their gills and become normal salamanders. See also Axolotl.

Siren

Of or pertaining to a siren; bewitching, like a siren; fascinating; alluring; as, a siren song.

Sirenia

An order of large aquatic herbivorous mammals, including the manatee, dugong, rytina, and several fossil genera.

Sirenical

Like, or appropriate to, a siren; fascinating; deceptive.

Sirenize

To use the enticements of a siren; to act as a siren; to fascinate.

Siriasis

A sunstroke. The act of exposing to a sun bath. [Obs.] Cf. Insolation.

Sirius

The Dog Star. See Dog Star.

Sirkeer

Any one of several species of Asiatic cuckoos of the genus Taccocua, as the Bengal sirkeer (Taccocua sirkee).

Sirloin

A loin of beef, or a part of a loin.

Sirocco

An oppressive, relaxing wind from the Libyan deserts, chiefly experienced in Italy, Malta, and Sicily.

Sirrah

A term of address implying inferiority and used in anger, contempt, reproach, or disrespectful familiarity, addressed to a man or boy, but sometimes to a woman. In sililoquies often preceded by ah. Not used in the plural.

Sirvente

A peculiar species of poetry, for the most part devoted to moral and religious topics, and commonly satirical, -- often used by the troubadours of the Middle Ages.

Sis

Six. See Sise.

Siscowet

A large, fat variety of the namaycush found in Lake Superior; -- called also siskawet, siskiwit.

Sise

Six; the highest number on a die; the cast of six in throwing dice.

Siskin

A small green and yellow European finch (Spinus spinus, or Carduelis spinus); -- called also aberdevine. The American pinefinch (Spinus pinus); -- called also pine siskin. See Pinefinch.

Siss

A hissing noise.

Sissoo

A leguminous tree (Dalbergia Sissoo) of the northern parts of India; also, the dark brown compact and durable timber obtained from it. It is used in shipbuilding and for gun carriages, railway ties, etc.

Sist

A stay or suspension of proceedings; an order for a stay of proceedings.

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