shelf force
| shearwater | <ornithology> Any one of numerous species of long-winged oceanic birds of the genus Puffinus and related genera. They are allied to the petrels, but are larger. The Manx shearwater (P. Anglorum), the dusky shearwater (P. Obscurus), and the greater shearwater (P. Major), are well-known species of the North Atlantic. See Hagdon. Origin: Shear + water; cf. G. Wassersherer; so called from its running lightly along the surface of the water. Source: Websters Dictionary (01 Mar 1998) |
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| sheatfish | <zoology> A European siluroid fish (Silurus glanis) allied to the cat-fishes. It is the largest fresh water fish of Europe, sometimes becoming six feet or more in length. See Siluroid. Origin: Cf. Dial. G. Scheid, schaid, schaiden. Source: Websters Dictionary (01 Mar 1998) |
| sheath | A protective covering. The lower part of leaf enveloping stem or culm. A secreted, tubular structure formed around a chain of cells or around a bundle of filaments, cells within a sheath may or may not subsequently separate from the sheath. A layer of outer membrane covering the bacterial flagella. (09 Oct 1997) |
| sheath ligaments | See: fibrous digital sheaths of hand, fibrous digital sheaths of foot, fibrous tendon sheath. (05 Mar 2000) |
| sheath of eyeball | A condensation of connective tissue on the outer aspect of the sclera from which it is separated by a narrow cleftlike episcleral space; the sheath is attached to the sclera near the sclerocorneal junction and blends with the fascia of the extraocular muscles. Synonym: vagina bulbi, capsula bulbi, eye capsule, fascia bulbi, sheath of eyeball, Tenon's capsule, vagina oculi. (05 Mar 2000) |
| sheath of Key and Retzius | <anatomy> The delicate bands of connective tissue among nerve fibres. Origin: NL, fr. Gr. Within + a sinew, nerve. Source: Websters Dictionary (01 Mar 1998) |
| sheath of Schwann | <anatomy> The delicate outer sheath of a nerve fibre; the primitive sheath. The perineurium. Origin: NL, from gr. Nerve + peel, skin. Source: Websters Dictionary (01 Mar 1998) |
| sheath of Schweigger-Seidel | <geometry> A solid, all plane sections of which are ellipses or circles. See Conoid, 2 . The ellipsoid has three principal plane sections, a, b, and c, each at right angles to the other two, and each dividing the solid into two equal and symmetrical parts. The lines of meeting of these principal sections are the axes, or principal diameters of the ellipsoid. The point where the three planes meet is the center. Ellipsoid of revolution, a spheroid; a solid figure generated by the revolution of an ellipse about one of its axes. It is called a prolate spheroid, or prolatum, when the ellipse is revolved about the major axis, and an oblate spheroid, or oblatum, when it is revolved about the minor axis. Origin: Ellipse: cf. F. Ellipsoide. Source: Websters Dictionary (01 Mar 1998) |
| sheath of styloid process | A crest of bone (edge of the tympanic portion of the temporal bone) running from the front and medial side of the mastoid process to the spine of the sphenoid; it splits to ensheath the base of the styloid process. Synonym: vagina processus styloidei, vaginal process. (05 Mar 2000) |
| sheath of thyroid gland | Covering of the thyroid gland external to its capsule formed by a splitting of the pretracheal layer of deep cervical fascia at the gland's posterior border; the anterior lamina covers the gland anterolaterally, attaching to the arch of the cricoid cartilage superior to the isthmus of the gland (causing it to move with the trachea during elevation/depression of the larynx); the posterior lamina passes posterior to the oesophagus to blend with the buccopharyngeal fascia; inferiorly, the sheath extends along the inferior thyroid veins to open into the superior mediastinum (hence, expansion of the thyroid, as by goiter, can take this direction). (05 Mar 2000) |
| sheath process of sphenoid bone | A thin lamina of bone that extends medially under the body of the sphenoid bone from the medial lamina of the pterygoid process; it articulates with the vomer and the palatine bone. Synonym: processus vaginalis ossis sphenoidalis, sheath process of sphenoid bone. (05 Mar 2000) |
| sheath rot | ulcerative posthitis |
| sheath-winged | <zoology> Having elytra, or wing cases, as a beetle. Source: Websters Dictionary (01 Mar 1998) |
| sheathbill | <ornithology> Either one of two species of birds composing the genus Chionis, and family Chionidae, native of the islands of the Antarctic.seas. They are related to the gulls and the plovers, but more nearly to the latter. The base of the bill is covered with a saddle-shaped horny sheath, and the toes are only slightly webbed. The plumage of both species is white. Source: Websters Dictionary (01 Mar 1998) |
| sheathe | 1. To put into a sheath, case, or scabbard; to inclose or cover with, or as with, a sheath or case. "The leopard . . . Keeps the claws of his fore feet turned up from the ground, and sheathed in the skin of his toes." (Grew) "'T is in my breast she sheathes her dagger now." (Dryden) 2. To fit or furnish, as with a sheath. 3. To case or cover with something which protects, as thin boards, sheets of metal, and the like; as, to sheathe a ship with copper. 4. To obtund or blunt, as acrimonious substances, or sharp particles. To sheathe the sword, to make peace. Origin: Sheathed; Sheating Alternative forms: sheath. Source: Websters Dictionary (01 Mar 1998) |
Synonyms :
Synonyms : Sheltered Workshop, Workshop, Sheltered, Workshops, Sheltered
Synonyms :
Synonyms :
| shedding |
the process whereby something is shed desquamation: loss of bits of outer skin by peeling or shedding or coming off in scales
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| sheet |
any broad thin expanse or surface; "a sheet of ice" used for writing or printing bed linen consisting of a large rectangular piece of cotton or linen cloth; used in pairs plane: (mathematics) an unbounded two-dimensional shape; "we will refer to the plane of the graph as the X-Y plane"; "any line joining two points on a plane lies wholly on that plane" tabloid: newspaper with half-size pages a flat artifact that is thin relative to its length and width (nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind come down as if in sheets; "The rain was sheeting down during the monsoon" cover with a sheet, as if by wrapping; "sheet the body" sail: a large piece of fabric (usually canvas fabric) by means of which wind is used to propel a sailing vessel
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| Sherrington |
English physiologist who conducted research on reflex action (1857-1952)
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| shelf |
a support that consists of a horizontal surface for holding objects ledge: a projecting ridge on a mountain or submerged under water
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| shell |
ammunition consisting of a cylindrical metal casing containing an explosive charge and a projectile; fired from a large gun the material that forms the hard outer covering of many animals carapace: hard outer covering or case of certain organisms such as arthropods and turtles the hard usually fibrous outer layer of some fruits especially nuts blast: use explosives on; "The enemy has been shelling us all day" the exterior covering of a bird's egg fall out of the pod or husk; "The corn shelled" a rigid covering that envelops an object; "the satellite is covered with a smooth shell of ice" hit the pitches of hard and regularly; "He shelled the pitcher for eight runs in the first inning" a very light narrow racing boat look for and collect shells by the seashore the housing or outer covering of something; "the clock has a walnut case" beat: come out better in a competition, race, or conflict; "Agassi beat Becker in the tennis championship"; "We beat the competition"; "Harvard defeated Yale in the last football game" plate: a metal sheathing of uniform thickness (such as the shield attached to an artillery piece to protect the gunners) remove from its shell or outer covering; "shell the legumes"; "shell mussels" the hard largely calcareous covering of a mollusc husk: remove the husks from; "husk corn"
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| SHE | a skilled worker who shears the wool off of sheep or other animals |
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| SHE | a workman who uses shears to cut leather or metal or textiles |
| SHE | Scottish ballet dancer and actress (born in 1926) |
| SHE | removing by cutting off or clipping |
| SHE | large scissors with strong blades |
| SHE | long-winged oceanic bird that in flight skims close to the waves |
| SHE | large elongated catfish of central and eastern Europe |
| SHE | a dress suitable for formal occasions |
| SHE | a protective covering for a knife or sword |
| SHE | an enveloping structure or covering enclosing an animal or plant organ or part |
| SHE | a knife with a fixed blade that is carried in a sheath |
| SHE | a pile in a row of piles driven side by side to retain earth or prevent seepage |