layer

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Related to clear layer: stratum granulosum

layer

1. one of four or more levels of vegetation defined in ecological studies: the ground or moss layer, the field or herb layer, the shrub layer, and one or more tree layers
2. a laying hen
3. Horticulture
a. a shoot or branch rooted during layering
b. a plant produced as a result of layering

layer

[′lā·ər]
(computer science)
One of the divisions within which components or functions are isolated in a computer system with layered architecture or a communications system with layered protocols.
(geology)
A tabular body of rock, ice, sediment, or soil lying parallel to the supporting surface and distinctly limited above and below.
(geophysics)
One of several strata of ionized air, some of which exist only during the daytime, occurring at altitudes between 30 and 250 miles (50 and 400 kilometers); the layers reflect radio waves at certain frequencies and partially absorb others.
(metallurgy)
The stratum of weld metal consisting of one or more passes and lying parallel to the welding surface.

course

course, 1
1. A layer of masonry units running horizontally in a wall or, much less commonly, curved over an arch; it is bonded with mortar.
2. A continuous row or layer of material, as shingles, tiles, etc.

layer

layer

(1) One of several "drawing boards" or "canvasses" for creating elements in a picture. See layers and flatten layers.

(2) One of several levels in a communications protocol. See OSI model.
References in periodicals archive ?
Tiny metal shapes like the one modelled above by Deborah Boer are slipped under the cornea - the clear layer of skin which protects the white of the eye.
When the part is removed from the mold, the clear layer is on the surface of the part.
It is comprised of coating a photocurable processing composition onto a damaged area of a substrate to form an uncured processed layer; irradiating light onto the uncured layer to form a photocured processed layer; coating a normal temperature or heat-curable colored base coating containing a resin having an active hydrogen group to form an uncured colored base layer; coating a photocurable clear composition containing a resin containing a photopolymerizable unsaturated group and an active hydrogen group, a photopolymerization initiator and polyisocyanate compound to form an uncured clear layer; and irradiating light to cure both uncured colored base layer and uncured clear layer simultaneously.
The first process, called Glaskin, coats the inner surface of a PET bottle with a very thin, clear layer of silicon oxide using a vacuum-deposition process.