释义 |
layer
layera thickness of matter covering a surface: layers of clothing; a hen that lays eggs Not to be confused with:lair – a wild animal’s den or resting place; a person’s hiding placelay·er L0078500 (lā′ər)n.1. a. One that lays: a tile layer.b. A hen kept for laying eggs.2. a. A single thickness of a material covering a surface or forming an overlying part or segment: a layer of dust on the windowsill; a cake with four layers.b. A usually horizontal deposit or expanse; a stratum: layers of sedimentary rock; a layer of warm air.c. A depth or level: a poem with several layers of meaning.3. Botany A stem that is covered with soil for rooting while still part of the living plant.4. An item of clothing worn over or under another.v. lay·ered, lay·er·ing, lay·ers v.tr.1. To divide or form into layers: layered gravel and charcoal to make a filter.2. To cut (hair) into different, usually overlapping lengths.3. Botany To propagate (a plant) by means of a layer.4. To wear (clothing) in layers.v.intr.1. To form or come apart as layers.2. Botany To take root as a result of layering.layer (ˈleɪə) n1. a thickness of some homogeneous substance, such as a stratum or a coating on a surface2. (Environmental Science) 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 layers3. (Animals) a laying hen4. (Horticulture) horticulture a. a shoot or branch rooted during layeringb. a plant produced as a result of layeringvb5. to form or make a layer of (something)6. (Horticulture) to take root or cause to take root by layering[C14 leyer, legger, from lay1 + -er1]lay•er (ˈleɪ ər) n. 1. a thickness of some material laid on or spread over a surface: a layer of soot on the window sill; two layers of paint. 2. bed; stratum: alternating layers of basalt and sandstone. 3. a person or thing that lays: a carpet layer. 4. a hen kept for egg production. 5. one of several items of clothing worn one on top of the other. 6. a shoot or twig that is induced to root while still attached to the living stock, as by bending and covering with soil. 7. a person or thing that lays. v.t. 8. to make a layer of. 9. to form or arrange in layers. 10. to arrange or wear (clothing) in layers: to layer a vest over a blouse. 11. to propagate by layering. v.i. 12. to separate into or form layers. 13. (of a garment) to permit of wearing in layers; be used in layering. [1350–1400; Middle English leyer, legger. See lay1, -er1] Layer a substance or things grouped together and lying between two other horizontal strata. See also pocket.layer Past participle: layered Gerund: layering
Present |
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I layer | you layer | he/she/it layers | we layer | you layer | they layer |
Preterite |
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I layered | you layered | he/she/it layered | we layered | you layered | they layered |
Present Continuous |
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I am layering | you are layering | he/she/it is layering | we are layering | you are layering | they are layering |
Present Perfect |
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I have layered | you have layered | he/she/it has layered | we have layered | you have layered | they have layered |
Past Continuous |
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I was layering | you were layering | he/she/it was layering | we were layering | you were layering | they were layering |
Past Perfect |
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I had layered | you had layered | he/she/it had layered | we had layered | you had layered | they had layered |
Future |
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I will layer | you will layer | he/she/it will layer | we will layer | you will layer | they will layer |
Future Perfect |
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I will have layered | you will have layered | he/she/it will have layered | we will have layered | you will have layered | they will have layered |
Future Continuous |
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I will be layering | you will be layering | he/she/it will be layering | we will be layering | you will be layering | they will be layering |
Present Perfect Continuous |
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I have been layering | you have been layering | he/she/it has been layering | we have been layering | you have been layering | they have been layering |
Future Perfect Continuous |
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I will have been layering | you will have been layering | he/she/it will have been layering | we will have been layering | you will have been layering | they will have been layering |
Past Perfect Continuous |
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I had been layering | you had been layering | he/she/it had been layering | we had been layering | you had been layering | they had been layering |
Conditional |
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I would layer | you would layer | he/she/it would layer | we would layer | you would layer | they would layer |
Past Conditional |
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I would have layered | you would have layered | he/she/it would have layered | we would have layered | you would have layered | they would have layered | ThesaurusNoun | 1. | layer - single thickness of usually some homogeneous substance; "slices of hard-boiled egg on a bed of spinach"bedartefact, artifact - a man-made object taken as a wholebacking, mount - something forming a back that is added for strengtheningblanket - a layer of lead surrounding the highly reactive core of a nuclear reactorrow, course - (construction) a layer of masonry; "a course of bricks"cushion - the layer of air that supports a hovercraft or similar vehicleinterlayer - a layer placed between other layerslaminate - a sheet of material made by bonding two or more sheets or layerslift - one of the layers forming the heel of a shoe or bootoverlay - a layer of decorative material (such as gold leaf or wood veneer) applied over a surfaceply - (usually in combinations) one of several layers of cloth or paper or wood as in plywoodtier - one of two or more layers one atop another; "tier upon tier of huge casks"; "a three-tier wedding cake"wall - a layer of material that encloses space; "the walls of the cylinder were perforated"; "the container's walls were blue" | | 2. | layer - a relatively thin sheetlike expanse or region lying over or under anotherregion, part - the extended spatial location of something; "the farming regions of France"; "religions in all parts of the world"; "regions of outer space"stratum - one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock)asthenosphere - the lower layer of the crustchromosphere - a gaseous layer of the sun's atmosphere (extending from the photosphere to the corona) that is visible during a total eclipse of the suncrust, Earth's crust - the outer layer of the Earthexosphere - the outermost atmospheric layerhydrosphere - the watery layer of the earth's surface; includes water vaporgeosphere, lithosphere - the solid part of the earth consisting of the crust and outer mantlelower mantle - the deeper part of the mantlemantle - the layer of the earth between the crust and the coremesosphere - the atmospheric layer between the stratosphere and the thermosphereozone layer, ozonosphere - a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sunstratosphere - the atmospheric layer between the troposphere and the mesosphereEarth's surface, surface - the outermost level of the land or sea; "earthquakes originate far below the surface"; "three quarters of the Earth's surface is covered by water"thermosphere - the atmospheric layer between the mesosphere and the exospheretropopause - the region of discontinuity between the troposphere and the stratospheretroposphere - the lowest atmospheric layer; from 4 to 11 miles high (depending on latitude)upper mantle - the upper part of the mantlecell wall - a rigid layer of polysaccharides enclosing the membrane of plant and prokaryotic cells; maintains the shape of the cell and serves as a protective barriersnow - a layer of snowflakes (white crystals of frozen water) covering the ground | | 3. | layer - an abstract place usually conceived as having depth; "a good actor communicates on several levels"; "a simile has at least two layers of meaning"; "the mind functions on many strata simultaneously"stratum, levelplace - an abstract mental location; "he has a special place in my thoughts"; "a place in my heart"; "a political system with no place for the less prominent groups" | | 4. | layer - a hen that lays eggsbiddy, hen - adult female chicken | | 5. | layer - thin structure composed of a single thickness of cellsblastoderm, blastodisc, germinal area, germinal disc - a layer of cells on the inside of the blastulahypodermis - layer of cells that secretes the chitinous cuticle in e.g. arthropodsanatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical part of a living thing; "he has good bone structure" | Verb | 1. | layer - make or form a layer; "layer the different colored sands"shape, mould, mold, form, forge, work - make something, usually for a specific function; "She molded the rice balls carefully"; "Form cylinders from the dough"; "shape a figure"; "Work the metal into a sword" |
layernoun1. covering, film, cover, sheet, coating, coat, blanket, mantle, dusting A fresh layer of snow covered the street.2. tier, level, seam, stratum Critics and the public puzzle out the layers of meaning in his photos.Translationslay1 (lei) – past tense, past participle laid (leid) – verb1. to place, set or put (down), often carefully. She laid the clothes in a drawer / on a chair; He laid down his pencil; She laid her report before the committee. 小心輕放 小心地放2. to place in a lying position. She laid the baby on his back. 平放 平放3. to put in order or arrange. She went to lay the table for dinner; to lay one's plans / a trap. 佈置 布置4. to flatten. The animal laid back its ears; The wind laid the corn flat. 弄平,壓平 把...压平5. to cause to disappear or become quiet. to lay a ghost / doubts. 消除,平息 消除6. (of a bird) to produce (eggs). The hen laid four eggs; My hens are laying well. 下(蛋) 下(蛋) 7. to bet. I'll lay five pounds that you don't succeed. 以某物打賭 以某物打赌ˈlayer noun1. a thickness or covering. The ground was covered with a layer of snow; There was a layer of clay a few feet under the ground. 層 层2. something which lays, especially a hen. a good layer. 下蛋的家禽(尤指母雞) 蛋鸡 verb to put, cut or arrange in layers. She had her hair layered by the hairdresser. 剪出層次,整理出層次 整理成形ˈlayabout noun a lazy, idle person. 游手好閒的人 游手好闲之徒,懒惰者 ˈlay-by – plural ˈlay-bys – nounespecially in Britain, a short extra part at the side of a road for people to stop their cars in, out of the way of the traffic. (尤在英國)路邊停車休息處 (英)路侧停车带(供途中紧急停车) ˈlayout noun the manner in which something is displayed or laid out. the layout of the building. 版面設計,配置 布局,版面设计,布置 laid up ill in bed. When I caught flu, I was laid up for a fortnight. 生病臥床 卧床lay aside to put away or to one side, especially to be used or dealt with at a later time. She laid the books aside for later use. 擱在一旁(尤指供稍後處理或使用) 把...放在一边,暂时搁置一边 lay bare to show clearly; to expose to view. They dug up the road and laid bare the water-pipe; Shy people don't like to lay bare their feelings. 曝露出,表露出 暴露lay by to put away for future use. She laid by a store of tinned vegetables. 把...存放備用 把...留待后用lay down1. to give up. They laid down their arms; The soldiers laid down their lives in the cause of peace. 放下,獻出 放下,献出 2. to order or instruct. The rule book lays down what should be done in such a case. 規定 规定3. to store. My father laid down a good stock of wine which I am now drinking. 貯藏 贮藏lay (one's) hands on1. to find or be able to obtain. I wish I could lay (my) hands on that book! 找到,得到 得到2. to catch. The police had been trying to lay hands on the criminal for months. 抓到 抓到lay in to get and store a supply of. I've laid in an extra stock of drinks for Christmas. 貯存 贮存lay low to make ill. I was laid low by flu, just before my exams. 使生病 生病lay off to dismiss (employees) temporarily. Because of a shortage of orders, the firm has laid off a quarter of its workforce. 遣散 暂时解雇,裁员 lay on to provide. The staff laid on a tea party for the pupils. 提供,安排 组织,安排 lay out1. to arrange over a wide area (especially according to a plan). He was the architect who laid out the public gardens. 規劃設計(尤指依照計劃) 设计2. to spread so as to be easily seen. He laid out the contents of the box on the table. 擺開 摆开3. to knock unconscious. 打昏 打昏4. to spend (money). 花(錢) 花(钱) 5. to prepare (a dead body) to be buried. 為(屍體)作殯葬準備 为(尸体)作殡葬准备 lay up1. to keep or store. We laid up a good supply of apples this year from our own trees. 貯存 贮存2. to put (a ship) out of use in a dock. (將船)閒置於碼頭 放置不用,(将船)闲置于码头 lay waste to make (a piece of land) into barren country by burning and plundering. 使土地荒蕪(因燒毀或擄掠) 损毁 lay needs an object and has laid as its past tense and past participle: He (had) laid his book down ; He will be laying his proposals before the committee tomorrow . lie takes no object and has lying as its present participle, lay as its past tense and lain as its past participle: Please lie down ; He lay down ; He had lain there for hours . lie , to be untruthful, has lying as its present participle, and lied as its past tense and past participle: She (has always) lied about her age . IdiomsSeepaper layerlayer
layer1. 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. Horticulturea. 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. 3. In concrete construction, one of several horizontal layers making up a lift, 5. For specific types, see band course, base course, belt course, blocking course, bond course, coping course, corbel course, dog-tooth course, masonry course, random course, sill course, springing course, staggered course, stringcourse, tumbling course.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. See layerlayer
layer [la´er] a thin, flat plate or stratum of a composite structure; called also lamina.ameloblastic layer the inner layer of cells of the enamel organ, which forms the enamel prisms of the teeth.abrasion layer a protective covering of gelatin enclosing an emulsion on x-ray film; called also overcoat.bacillary layer layer of rods and cones.basal layer of endometrium the deepest layer of the uterine endometrium; it provides the regenerative endometrium after menstrual loss of the layer" >functional layer.basal layer of epidermis stratum basale.blastodermic layer germ layer.clear layer stratum lucidum.columnar layer mantle layer.compact layer of endometrium a sublayer of the layer of endometrium" >functional layer of endometrium, which faces the lumen of the uterus and contains the necks of the uterine glands.enamel layer the outermost layer of cells of the enamel organ.functional layer of endometrium the layer of endometrium facing the lumen of the uterus; its cells are cast off at menstruation and childbirth. Sublayers are the layer" >compact layer and the layer" >spongy layer. It is known as the decidua during pregnancy.ganglionic layer of cerebellum the thin middle gray layer of the cortex of the cerebellum, consisting of a single layer of Purkinje cells.germ layer (germ cell layer) any of the three primary layers of cells formed in the early development of the embryo (ectoderm, entoderm, and mesoderm), from which the organs and tissues develop.germinative layer stratum germinativum.granular layer 1. stratum granulosum.2. the deep layer of the cortex of the cerebellum.3. the layer of follicle cells lining the theca of the vesicular ovarian follicle.half-value layer the thickness of a given substance which, when introduced in the path of a given beam of rays, will reduce its intensity by one half.Henle's layer the outermost layer of the inner root sheath of the hair follicle.horny layer 1. stratum corneum.2. the outer, compact layer of the nail.malpighian layer stratum germinativum.mantle layer the middle layer of the wall of the primordial neural tube, containing primordial nerve cells and later forming the gray matter of the central nervous system.nervous layer all of the retina except the pigment layer; the inner layer of the optic cup.odontoblastic layer the epithelioid layer of odontoblasts in contact with the dentin of teeth.Ollier's layer the innermost layer of the periosteum.prickle-cell layer stratum spinosum.layer of rods and cones the layer of the nervous part of the retina" >retina, located between the pigmented part and the external limiting membrane, containing the sensory elements, the rods and cones.spinous layer stratum spinosum.spongy layer of endometrium a sublayer of the layer of endometrium" >functional layer of endometrium, underlying the compact layer and containing the tortuous portions of the uterine glands.subendocardial layer the layer of loose fibrous tissue uniting the endocardium and myocardium.subepicardial layer the layer of loose connective tissue uniting the epicardium and myocardium.zonal layer of thalamus a layer of myelinated fibers covering the dorsal surface of the thalamus.lay·er (lā'ĕr), [TA] A sheet of one substance's lying on another and distinguishable from it by a difference in texture or color or by not being continuous with it. See also: stratum, lamina. Synonym(s): panniculuslay·er (lā'ĕr) [TA] A sheet of one substance lying on another and distinguished from it by a difference in texture or color or by not being continuous with it. See also: stratum, laminalayerA sheet of one thickness lying over or under another and distinguished from it by a difference in composition or colour. Bowman's layer Thin layer of the cornea (about 12 μm) located between the anterior stratified epithelium and the stroma. This layer is acellular; it is a modified superficial stromal layer found only in primates. It is composed of a randomly orientated array of fine collagen fibrils, primarily of collagen types I, III and V. Syn. anterior limiting layer; Bowman's membrane; lamina elastic anterior. layer of Chievitz, transient A temporary layer found in the developing embryonic retina lying between the inner neuroblastic layer (which will form the ganglion, amacrine and Mueller cells) and the outer neuroblastic layer (which will form the bipolar, horizontal and photoreceptor cells). It contains the inner processes of Mueller's fibres. Haller's layer An outer layer of the choroid lying between Sattler's layer and the suprachoroid. It contains connective tissue and large vessels, mainly veins. layer of Henle, fibre Located in the macular region, it is formed by the cone and rod fibres that run parallel to the retinal surface within the outer molecular layer of the retina. See Haidinger's brushes; macular star. retinal layer's See retina. Sattler's layer An inner layer of the choroid lying between the choriocapillaris and Haller's layer. It contains small blood vessels.lay·er (lā'ĕr) [TA] A sheet of one substance's lying on another and distinguishable from it by a difference in texture or color or by not being continuous with it. See also: stratum, laminaLegalSeeCourseSee LYR See LYRlayer Related to layer: ozone layer, Layer 3, Network layerSynonyms for layernoun coveringSynonyms- covering
- film
- cover
- sheet
- coating
- coat
- blanket
- mantle
- dusting
noun tierSynonymsSynonyms for layernoun single thickness of usually some homogeneous substanceSynonymsRelated Words- artefact
- artifact
- backing
- mount
- blanket
- row
- course
- cushion
- interlayer
- laminate
- lift
- overlay
- ply
- tier
- wall
noun a relatively thin sheetlike expanse or region lying over or under anotherRelated Words- region
- part
- stratum
- asthenosphere
- chromosphere
- crust
- Earth's crust
- exosphere
- hydrosphere
- geosphere
- lithosphere
- lower mantle
- mantle
- mesosphere
- ozone layer
- ozonosphere
- stratosphere
- Earth's surface
- surface
- thermosphere
- tropopause
- troposphere
- upper mantle
- cell wall
- snow
noun an abstract place usually conceived as having depthSynonymsRelated Wordsnoun a hen that lays eggsRelated Wordsnoun thin structure composed of a single thickness of cellsRelated Words- blastoderm
- blastodisc
- germinal area
- germinal disc
- hypodermis
- anatomical structure
- bodily structure
- body structure
- complex body part
- structure
verb make or form a layerRelated Words- shape
- mould
- mold
- form
- forge
- work
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