covering+layer
51lamina — n 1. cover, covering, covering layer; coat, coating, veneer, overlay, lamella; facing, sheathing, weatherboard, clapboard, shingle, outside paneling, stuccowork, adobe; skin, integument, membrane, Anat., Zool. cortex, pellicle, peel, rind, bark;… …
52cover — 1. verb 1) she covered her face with a towel Syn: protect, shield, shelter, hide, conceal, mask 2) his car was covered in mud Syn: cake, coat, encrust, plaster, smother …
53in|du|si|um — «ihn DOO zee uhm, DYOO ; zhee », noun, plural si|a. 1. Botany. a) the membranous shield or scale covering the cluster of spore cases (sorus) of a fern. b) a cuplike collection of hairs enclosing the stigma in certain plants. 2. Anatomy. a… …
54blastula — blastular, adj. blastulation /blas cheuh lay sheuhn/, n. /blas cheuh leuh/, n., pl. blastulas, blastulae / lee /. Embryol. the early developmental stage of an animal, following the morula stage and consisting of a single, spherical layer of cells …
55mantle — 1. A covering layer. 2. SYN: cerebral cortex. brain m. SYN: cerebral cortex. myoepicardial m. the dorsal wall of the primitive pericardium which, in the early somite embryo, becom …
56exocoelomic membrane — a layer of flattened cells that develops as a lining of the blastocyst or chorionic cavity just after implantation. Together with the hypoblast, it forms the covering layer of the primary yolk sac. Called also Heuser m …
57open-faced — also open face adjective Date: 1918 served without a covering layer (as of bread or pastry) < an open faced sandwich > …
58tunicate — I. adjective also tunicated Etymology: Latin tunicatus, from tunica Date: circa 1623 1. a. having or covered with a tunic or tunica b. having, arranged in, or made up of concentric layers < a tunicate flower bulb > 2. of or relating to the… …
59Welding — is a fabrication process that joins materials, usually metals or thermoplastics, by causing coalescence. This is often done by melting the workpieces and adding a filler material to form a pool of molten material (the weld puddle ) that cools to… …
60Gasket — [ thumb|sright|250px|Some seals and gaskets 1. o ring 2. fiber washer 3. paper gaskets 4. cylinder head gasket] A gasket is a mechanical seal that fills the space between two objects, generally to prevent leakage between the two objects while… …
