sheath

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Related to sheaths: sheaves

sheath

1. Biology an enclosing or protective structure, such as a leaf base encasing the stem of a plant
2. the protective covering on an electric cable

sheath

[shēth]
(electricity)
A protective outside covering on a cable.
(electronics)
A space charge formed by ions near an electrode in a gas tube.
(electromagnetism)
The metal wall of a waveguide.
(science and technology)
A protective case or cover.

sheath

In reinforced concrete, an enclosure which encases posttensioned tendons to prevent their being bonded during the placement of concrete.
References in periodicals archive ?
These instructions will be for a right-hand sheath. I use manila file folders to trace my patterns.
giganteus sheaths were collected in August 2015 from a bamboo plantation at the nursery center of the Xinping County, Forestry Bureau, in Yunnan Province, China (24[degrees]04'89"N, 101[degrees]98'33"E; altitude, 1,605 m).
Being a romantic, it's the use of knitting sheaths as love tokens that interests me most.
Tendons of FDS and FDP are enclosed in a common synovial sheath, the ulnar bursa which is extended from wrist proximally to hand distally; and continues to synovial bursa of fifth finger.
The three scissors in the brass sheath are a rather motley assortment coming from Sheffield, France and Germany - Germany becoming the principal manufacturer of scissors in the early 20th century.
Culms of Poaceae without regard to their leaf sheaths are studied concerning flexural rigidity, Young's modulus, the relation between bending and torsional stiffness, and with regard to anatomy [2, 6-10].
Several years ago, while editing the book Plains Indian Knife Sheaths by Alex Kozlov, I looked at literally thousands of historic photos while attempting to find images of American Indians wearing knife sheaths.
Terumo Interventional Systems (TIS) offers a full line of guidewires, catheters, introducer sheaths, guiding sheaths and embolization products for use in different interventional procedures.
In 1564, an Italian anatomist claimed to have invented a linen sheath which, when dipped in a solution of salt or herbs, formed a protection against syphilis.
3 December 2009 - US medical devices maker The Spectranetics Corporation (NASDAQ: SPNC) said today it has received 510(k) clearance from the US Food and Drug Administration (FDA) for its VisiSheath Dilator Sheath device.
* A safety sheath made from a high-quality ABS composite with a completely flat and smooth top, which provides a stable platform for better control during the procedure.
(7) compared excimer laser assisted lead extraction system with teflon telescoping sheaths in the "Pacing Lead Extraction with the Excimer Sheath" (PLEXES) trial with 301 patient.