shell

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shell

(shel),
An outer covering.

shell

(shel)
An outer covering.

shell

any hard outer covering, such as the carapace of turtles and tortoises, the exoskeleton of crustaceans, the calcareous plates of echinoderms, the outermost membranes of an egg, the skeleton of Foraminifera or the mantle secretions of molluscs.

impression, eye

A negative form or replica of the anterior part of the eye. A substance with rapid gelling properties is held in contact with the eye until gelled. This impression (or mould) is then used in the preparation of a positive model called a cast (or casting) of the anterior part of the eye: it is made by filling the impression with a material containing a plaster of Paris base which hardens to artificial stone. Using this cast a shell of a scleral contact lens is produced with optimum shape of the back surface. Syn. impression; impression moulding; mould; ocular impression.
References in periodicals archive ?
This move may create a natural bridge, where the mobilities paradigm transforms sociology in Canada, perhaps fittingly, through progressive incremental change rather than an idealized revolutionary paradigmatic shift (Sheller and Urry 2016).
A former actor, Sheller enjoys numerous active outdoor pursuits, and recently renovated his 100-year old house in Red Hook, Brooklyn.
Sheller explains that masculinity, in the context of the Christian family, became the physical and ideological representation of citizenship.
Brandis takes us behind the scenes into the process of redesigning the nut sheller for different nuts, and the growing pains that the NGQ experiences while trying to develop Its organizational and operational structure and clarify its mission and modus operandi.
* VIRTUALLY BUILT: The Waterfront campus takes shape next to the Huddersfield Narrow Canal between Manchester Road and Folly Hall and, below, project manager Ray Sheller (PW191211AWaterfront)
The sheller is adjustable and can shell coffee berries, shea nuts, and jatropha seeds.
I was excited when I found the sheller from Embarcadero Home Cannery, and I gave it to him for Christmas because he normally lets the nuts cure on a covered patio until after Christmas each year.
According to the company, as corporate secretary, Sheller is responsible for ensuring that the Board has the proper advice and resources for discharging its fiduciary duty under law and ensuring that the records of the Board's actions reflect that the Board has done so.
For many years he also served as the DNHG's Seashell Recorder and he earned the ENHG's 'Bish' Brown Award in 2005 for his Rough Sheller's Guide to the UAE.
"Everyone who comes into The Founders Club for the first time has the same reaction," says Greg Sheller of Re/Max Alliance Group.
I felt compelled to write after reading Editorial Page Editor Glenn Sheller's October 4th commentary defending the Dispatch's decision to distribute the DVD.