layer


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Related to layer: ozone layer, Layer 3, Network layer

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.
References in periodicals archive ?
If making one deep 9-inch round layer cake, slice cake horizontally into 3 equal layers.
The first is the very thin phosphate layer, and the second is the surface contamination of the phosphate.
Current research is providing nanoscale details that indicate how parts of this layer contribute to nacre's strength.
The foreground context layer is filled with a pedestrian walkway leading across the frame, while the middle-ground subject layer features another walkway leading toward us, along with the artisan herself, head lowered to watch each step as she makes her way in our direction.
The results of the dead layer measurements are shown in Fig.
To demonstrate the potential difference in sheet quality, Figure 4 shows the image analysis of a sheet made on a twin-wire former using a double layer wire with an extra support strand.
Even if all parties agree that a layer is unlikely to suffer a loss, a premium charge is still applied.
At the mold metal interface the sand surface layer is dry, hot and strong.
The SSDOI structure was created by transferring strained Si grown epitaxially, or layer by layer, on relaxed SiGe to a buried oxide layer.
How tightly one layer clings to another depends on the structure of its ice crystals.
Top Layer also established its new Secure Circle Partnership Program, the company's new partner program designed to foster stronger, more dynamic relationships with its channel partners.