Synonym: bed, level, stratum. Similar words: player, taxpayer, buyer, employer, play, lay out, clay, delay. Meaning: ['leɪə(r)] 
n. 1. single thickness of usually some homogeneous substance 2. a relatively thin sheetlike expanse or region lying over or under another 3. an abstract place usually conceived as having depth 4. a hen that lays eggs 5. thin structure composed of a single thickness of cells. v. make or form a layer.
n. 1. single thickness of usually some homogeneous substance 2. a relatively thin sheetlike expanse or region lying over or under another 3. an abstract place usually conceived as having depth 4. a hen that lays eggs 5. thin structure composed of a single thickness of cells. v. make or form a layer. 
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211. Its floor is covered with a fine layer of chalk dust from the calloused palms of legions of lifters.
212. Society is like a stew. If you don't stir it up every once in a while then a layer of scum floats to the top. Edward Abbey 
213. Whole milk that forms a cream layer has been largely replaced by homogenized milk that does not.
214. Cover a flat piece of hardboard with a single layer of flannelette of similar material.
215. There will be displays on acid rain, the ozone layer and global warming.
216. In the last one million years the ice sheets spread a layer of boulder clay across the lowlands.
217. The prime minister is still basking in the success of last month's conference on the ozone layer.
218. Cultivation: A layer of peat and gravel, or leaf-mould and coarse sand or loam should provide a good medium.
219. It's clinical fact that the outer layer of the skin, drying out the natural moisture.
220. My Hatchets have always been healthy and add charm to the upper layer of the water.
221. In the leaner 1990s that headquarters glamour is increasingly seen as gluttony - an unnecessary layer of bureaucracy and overheads.
222. Yet back in the primary visual cortex, the fourth layer is the most impressive of all.
223. Probably the most studied biolayer is where an enzyme layer is used over an electrochemical transducer, producing an enzyme electrode.
224. It talks about only another layer of government and more red tape and state control, not less. Sentencedict.com
225. But in the conodonts examined so far the crystalline structure within this layer is very variable.
226. On top of that they poured a thin layer of silicone oil.
227. Typical failures exhibit a thin layer of wood covering the glued surface.
228. That layer would not be an imposition; it would be democratically accountable.
229. Often the algae accumulate in a thin layer on the underside of the ice sheet, dispersing when the ice melts.
230. Each is protected by a layer of zinc[sentencedict.com], which drips on to the ground when it rains.
231. The sperm present will surround it, battering against its surface and each one weakening the outside layer.
232. Shallow lakes sometimes have a bottom layer of aquatic mosses, which by photosynthesis add oxygen to the water close by.
233. The windows are open, with layer upon layer of sound coming out of the forest.
234. Miss Pinkney's was a chocolate layer cake with cherries, angelica leaves, and pink sugar roses on it.
235. High up in the sky was a protective layer of gas that screened out dangerous ultraviolet rays from the sun.
236. There was a layer of fine dust: Your feet sank into 3 inches of fine powder, and it was everywhere.
237. It's also far more effective than planting in a layer of soil on the bottom of the pond.
238. Most threatening of these for the marine ecosystem is the exposure to increased ultra-violet radiation through the depletion of the ozone layer.
239. This separates the individual eggs from the clump, and I spread them out in a layer one egg thick.
240. So central is this standard that each layer will be the subject of focussed study.