layer

(redirected from enamel layer)
Also found in: Dictionary, Thesaurus, Medical, Legal.

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 ?
Transverse sections of Thomomys, Cratogeomys, and Geomys incisors reveal varying thickness of the inner uniserial versus the outer radial enamel layers between genera, which may reflect differing fossorial lifestyles.
These increases were significantly greater than those achieved by conventional topical fluoride and suggest that, related to the surface enamel layer, diode laser increases fluoride uptake when irradiated through topical fluoride application.
Throughout the secretory stage enamel crystals grow primarily in length and enamel layer thickness.
These found patterns are defamiliarized into dense, computerized combinations that are rendered in multiple handpainted enamel layers.